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10211102212122 = 232781040493747
BaseRepresentation
bin1001010010010111010100…
…0111101100000000011010
31100011011122021021202020100
42110211311013230000122
52314244314131241442
633414525434040230
72102504426501550
oct224456507540032
940134567252210
1010211102212122
11328755aaa5539
12118ab91579076
13590b9760b686
142743118c9bd0
1512a932de684c
hex949751ec01a

10211102212122 has 24 divisors (see below), whose sum is σ = 25284634049376. Its totient is φ = 2917457774856.

The previous prime is 10211102212067. The next prime is 10211102212133. The reversal of 10211102212122 is 22121220111201.

10211102212122 is a `hidden beast` number, since 10 + 211 + 10 + 221 + 212 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10211102212095 and 10211102212104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40520246748 + ... + 40520246999.

It is an arithmetic number, because the mean of its divisors is an integer number (1053526418724).

Almost surely, 210211102212122 is an apocalyptic number.

10211102212122 is an abundant number, since it is smaller than the sum of its proper divisors (15073531837254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10211102212122 is a wasteful number, since it uses less digits than its factorization.

10211102212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81040493762 (or 81040493759 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 10211102212122 its reverse (22121220111201), we get a palindrome (32332322323323).

The spelling of 10211102212122 in words is "ten trillion, two hundred eleven billion, one hundred two million, two hundred twelve thousand, one hundred twenty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 81040493747 162080987494 243121481241 486242962482 567283456229 729364443723 1134566912458 1458728887446 1701850368687 3403700737374 5105551106061 10211102212122