112221022100 has 72 divisors (see below), whose sum is σ = 272137332096. Its totient is φ = 39812320000.

The previous prime is 112221022061. The next prime is 112221022103. The reversal of 112221022100 is 1220122211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112221022103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1199036 + ... + 1289235.

It is an arithmetic number, because the mean of its divisors is an integer number (3779685168).

Almost surely, 2^112221022100 is an apocalyptic number.

112221022100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112221022100 is an abundant number, since it is smaller than the sum of its proper divisors (159916309996).

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

112221022100 is a wasteful number, since it uses less digits than its factorization.

112221022100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488337 (or 2488330 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 112221022100 its reverse (1220122211), we get a palindrome (113441144311).

The spelling of 112221022100 in words is "one hundred twelve billion, two hundred twenty-one million, twenty-two thousand, one hundred".