112212222112100 has 36 divisors (see below), whose sum is σ = 265636933075248. Its totient is φ = 40804444404000.

The previous prime is 112212222112063. The next prime is 112212222112117. The reversal of 112212222112100 is 1211222212211.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51005554406 + ... + 51005556605.

Almost surely, 2^{112212222112100} is an apocalyptic number.

112212222112100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112212222112100 is an abundant number, since it is smaller than the sum of its proper divisors (153424710963148).

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

112212222112100 is a wasteful number, since it uses less digits than its factorization.

112212222112100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102011111036 (or 102011111029 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 112212222112100 its reverse (1211222212211), we get a palindrome (113423444324311).

The spelling of 112212222112100 in words is "one hundred twelve trillion, two hundred twelve billion, two hundred twenty-two million, one hundred twelve thousand, one hundred".