112021210022220 has 36 divisors (see below), whose sum is σ = 339797670401280. Its totient is φ = 29872322672544.

The previous prime is 112021210022101. The next prime is 112021210022221. The reversal of 112021210022220 is 22220012120211.

It is a happy number.

112021210022220 is a `hidden beast` number, since 11 + 202 + 1 + 210 + 0 + 22 + 220 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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 = 112021210022193 and 112021210022202.

It is not an unprimeable number, because it can be changed into a prime (112021210022221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 311170027660 + ... + 311170028019.

Almost surely, 2^{112021210022220} is an apocalyptic number.

112021210022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112021210022220 is an abundant number, since it is smaller than the sum of its proper divisors (227776460379060).

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

112021210022220 is a wasteful number, since it uses less digits than its factorization.

112021210022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622340055694 (or 622340055689 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 112021210022220 its reverse (22220012120211), we get a palindrome (134241222142431).

The spelling of 112021210022220 in words is "one hundred twelve trillion, twenty-one billion, two hundred ten million, twenty-two thousand, two hundred twenty".