112211022100 has 18 divisors (see below), whose sum is σ = 243497918174. Its totient is φ = 44884408800.

The previous prime is 112211022083. The next prime is 112211022107. The reversal of 112211022100 is 1220112211.

It can be written as a sum of positive squares in 3 ways, for example, as 19520001796 + 92691020304 = 139714^2 + 304452^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112211022107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 561055011 + ... + 561055210.

Almost surely, 2^112211022100 is an apocalyptic number.

112211022100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112211022100 is an abundant number, since it is smaller than the sum of its proper divisors (131286896074).

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

112211022100 is a wasteful number, since it uses less digits than its factorization.

112211022100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122110235 (or 1122110228 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 112211022100 its reverse (1220112211), we get a palindrome (113431134311).

The spelling of 112211022100 in words is "one hundred twelve billion, two hundred eleven million, twenty-two thousand, one hundred".