100231221223112 has 32 divisors (see below), whose sum is σ = 215480801363520. Its totient is φ = 42816315061440.

The previous prime is 100231221223103. The next prime is 100231221223123. The reversal of 100231221223112 is 211322122132001.

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 7 ways as a sum of consecutive naturals, for example, 2915036939 + ... + 2915071322.

It is an arithmetic number, because the mean of its divisors is an integer number (6733775042610).

Almost surely, 2^{100231221223112} is an apocalyptic number.

It is an amenable number.

100231221223112 is an abundant number, since it is smaller than the sum of its proper divisors (115249580140408).

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

100231221223112 is a wasteful number, since it uses less digits than its factorization.

100231221223112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5830108581 (or 5830108577 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 100231221223112 its reverse (211322122132001), we get a palindrome (311553343355113).

The spelling of 100231221223112 in words is "one hundred trillion, two hundred thirty-one billion, two hundred twenty-one million, two hundred twenty-three thousand, one hundred twelve".