112221130022100 has 432 divisors, whose sum is σ = 391350618457344. Its totient is φ = 26667766656000.

The previous prime is 112221130022051. The next prime is 112221130022147. The reversal of 112221130022100 is 1220031122211.

112221130022100 is a `hidden beast` number, since 1 + 122 + 21 + 1 + 300 + 221 + 0 + 0 = 666.

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

It is a congruent number.

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, 176625589 + ... + 177259811.

It is an arithmetic number, because the mean of its divisors is an integer number (905904209392).

Almost surely, 2^{112221130022100} is an apocalyptic number.

112221130022100 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 112221130022100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195675309228672).

112221130022100 is an abundant number, since it is smaller than the sum of its proper divisors (279129488435244).

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

112221130022100 is a wasteful number, since it uses less digits than its factorization.

112221130022100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634608 (or 634598 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 112221130022100 its reverse (1220031122211), we get a palindrome (113441161144311).

The spelling of 112221130022100 in words is "one hundred twelve trillion, two hundred twenty-one billion, one hundred thirty million, twenty-two thousand, one hundred".