112221100010100 has 216 divisors, whose sum is σ = 333316276052704. Its totient is φ = 29143558080000.

The previous prime is 112221100010093. The next prime is 112221100010143. The reversal of 112221100010100 is 1010001122211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 186377727 + ... + 186978873.

Almost surely, 2^{112221100010100} is an apocalyptic number.

112221100010100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112221100010100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166658138026352).

112221100010100 is an abundant number, since it is smaller than the sum of its proper divisors (221095176042604).

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

112221100010100 is a wasteful number, since it uses less digits than its factorization.

112221100010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601427 (or 601319 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 112221100010100 its reverse (1010001122211), we get a palindrome (113231101132311).

The spelling of 112221100010100 in words is "one hundred twelve trillion, two hundred twenty-one billion, one hundred million, ten thousand, one hundred".