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10010122122121 = 1127310113781901
BaseRepresentation
bin1001000110101010100111…
…0001011111001110001001
31022102221212121210100000021
42101222221301133032021
52303001212230401441
633142330413140441
72052131105066362
oct221525161371611
938387777710007
1010010122122121
11320a2a5a7a200
12115804178a721
13577c482337b4
142686c75a0b69
151255bd8c53d1
hex91aa9c5f389

10010122122121 has 48 divisors (see below), whose sum is σ = 11346374816784. Its totient is φ = 8821612800000.

The previous prime is 10010122122097. The next prime is 10010122122157. The reversal of 10010122122121 is 12122122101001.

10010122122121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 3885586073721 + 6124536048400 = 1971189^2 + 2474780^2 .

It is not a de Polignac number, because 10010122122121 - 235 = 9975762383753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10010122122095 and 10010122122104.

It is not an unprimeable number, because it can be changed into a prime (10010122122181) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 122181271 + ... + 122263171.

It is an arithmetic number, because the mean of its divisors is an integer number (236382808683).

Almost surely, 210010122122121 is an apocalyptic number.

10010122122121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10010122122121 is a deficient number, since it is larger than the sum of its proper divisors (1336252694663).

10010122122121 is a wasteful number, since it uses less digits than its factorization.

10010122122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82234 (or 82223 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10010122122121 its reverse (12122122101001), we get a palindrome (22132244223122).

It can be divided in two parts, 100101 and 22122121, that added together give a palindrome (22222222).

The spelling of 10010122122121 in words is "ten trillion, ten billion, one hundred twenty-two million, one hundred twenty-two thousand, one hundred twenty-one".

Divisors: 1 11 73 101 121 137 803 1111 1507 7373 8833 10001 12221 13837 16577 81103 81901 110011 152207 892133 900911 1010101 1210121 1674277 5978773 8272001 9910021 11111111 11220437 65766503 90992011 122222221 123424807 603856073 723431533 819091901 1000912121 1133264137 1357672877 6642416803 9010010911 12465905507 73066584833 82728282001 99110120021 137124960577 910011102011 10010122122121