100001222112112 has 80 divisors (see below), whose sum is σ = 196920509280768. Its totient is φ = 49186223770880.

The previous prime is 100001222111983. The next prime is 100001222112163. The reversal of 100001222112112 is 211211222100001.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 2584459038 + ... + 2584497730.

Almost surely, 2^{100001222112112} is an apocalyptic number.

It is an amenable number.

100001222112112 is a deficient number, since it is larger than the sum of its proper divisors (96919287168656).

100001222112112 is a wasteful number, since it uses less digits than its factorization.

100001222112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43798 (or 43792 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 100001222112112 its reverse (211211222100001), we get a palindrome (311212444212113).

The spelling of 100001222112112 in words is "one hundred trillion, one billion, two hundred twenty-two million, one hundred twelve thousand, one hundred twelve".