112212221101020 has 144 divisors (see below), whose sum is σ = 353180333932608. Its totient is φ = 28814372352000.

The previous prime is 112212221100943. The next prime is 112212221101031. The reversal of 112212221101020 is 20101122212211.

112212221101020 is a `hidden beast` number, since 11 + 221 + 222 + 110 + 102 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 112212221100984 and 112212221101002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 86202856 + ... + 87494895.

Almost surely, 2^{112212221101020} is an apocalyptic number.

112212221101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112212221101020 is an abundant number, since it is smaller than the sum of its proper divisors (240968112831588).

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

112212221101020 is a wasteful number, since it uses less digits than its factorization.

112212221101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173697900 (or 173697895 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 112212221101020 its reverse (20101122212211), we get a palindrome (132313343313231).

The spelling of 112212221101020 in words is "one hundred twelve trillion, two hundred twelve billion, two hundred twenty-one million, one hundred one thousand, twenty".