100111231222112 has 96 divisors (see below), whose sum is σ = 221952228019200. Its totient is φ = 44036256499200.

The previous prime is 100111231222091. The next prime is 100111231222141. The reversal of 100111231222112 is 211222132111001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 838189214 + ... + 838308642.

It is an arithmetic number, because the mean of its divisors is an integer number (2312002375200).

Almost surely, 2^{100111231222112} is an apocalyptic number.

It is an amenable number.

100111231222112 is an abundant number, since it is smaller than the sum of its proper divisors (121840996797088).

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

100111231222112 is a wasteful number, since it uses less digits than its factorization.

100111231222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196300 (or 196292 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 100111231222112 its reverse (211222132111001), we get a palindrome (311333363333113).

The spelling of 100111231222112 in words is "one hundred trillion, one hundred eleven billion, two hundred thirty-one million, two hundred twenty-two thousand, one hundred twelve".