100112201021012 has 48 divisors (see below), whose sum is σ = 185761106520192. Its totient is φ = 47045864586240.

The previous prime is 100112201020967. The next prime is 100112201021039. The reversal of 100112201021012 is 210120102211001.

It is a super-2 number, since 2×100112201021012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158927312 + ... + 159555992.

It is an arithmetic number, because the mean of its divisors is an integer number (3870023052504).

Almost surely, 2^{100112201021012} is an apocalyptic number.

It is an amenable number.

100112201021012 is a deficient number, since it is larger than the sum of its proper divisors (85648905499180).

100112201021012 is a wasteful number, since it uses less digits than its factorization.

100112201021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631968 (or 631966 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100112201021012 its reverse (210120102211001), we get a palindrome (310232303232013).

The spelling of 100112201021012 in words is "one hundred trillion, one hundred twelve billion, two hundred one million, twenty-one thousand, twelve".