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10010001010121 = 73146129036913
BaseRepresentation
bin1001000110101010001010…
…0011011110110111001001
31022102221120011220012120122
42101222202203132313021
52303000440224310441
633142310405233025
72052125104464230
oct221524243366711
938387504805518
1010010001010121
11320a243678a42
121158009102775
13577c2910a6a8
142686b5475b17
151255b2e5034b
hex91aa28dedc9

10010001010121 has 8 divisors (see below), whose sum is σ = 11809033449984. Its totient is φ = 8303226644160.

The previous prime is 10010001010073. The next prime is 10010001010171. The reversal of 10010001010121 is 12101010001001.

It is a happy number.

10010001010121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10010001010121 - 210 = 10010001009097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10010001010099 and 10010001010108.

It is not an unprimeable number, because it can be changed into a prime (10010001010171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23064518240 + ... + 23064518673.

It is an arithmetic number, because the mean of its divisors is an integer number (1476129181248).

Almost surely, 210010001010121 is an apocalyptic number.

It is an amenable number.

10010001010121 is a deficient number, since it is larger than the sum of its proper divisors (1799032439863).

10010001010121 is an equidigital number, since it uses as much as digits as its factorization.

10010001010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46129036951.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 10010001010121 its reverse (12101010001001), we get a palindrome (22111011011122).

The spelling of 10010001010121 in words is "ten trillion, ten billion, one million, ten thousand, one hundred twenty-one".

Divisors: 1 7 31 217 46129036913 322903258391 1430000144303 10010001010121