112211211212100 has 432 divisors, whose sum is σ = 472239186007680. Its totient is φ = 21523029350400.

The previous prime is 112211211212039. The next prime is 112211211212119. The reversal of 112211211212100 is 1212112112211.

It is a happy number.

112211211212100 is a `hidden beast` number, since 1 + 1 + 221 + 1 + 211 + 21 + 210 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 61376385 + ... + 63178184.

Almost surely, 2^{112211211212100} is an apocalyptic number.

112211211212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112211211212100 is an abundant number, since it is smaller than the sum of its proper divisors (360027974795580).

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

112211211212100 is a wasteful number, since it uses less digits than its factorization.

112211211212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124554620 (or 124554610 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 112211211212100 its reverse (1212112112211), we get a palindrome (113423323324311).

The spelling of 112211211212100 in words is "one hundred twelve trillion, two hundred eleven billion, two hundred eleven million, two hundred twelve thousand, one hundred".