201220202112120 has 48 divisors (see below), whose sum is σ = 653965656865560. Its totient is φ = 53658720563136.

The previous prime is 201220202112109. The next prime is 201220202112143. The reversal of 201220202112120 is 21211202022102.

It is a happy number.

201220202112120 is a `hidden beast` number, since 2 + 0 + 1 + 220 + 20 + 211 + 212 + 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 = 201220202112093 and 201220202112102.

It is a congruent number.

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, 279472502574 + ... + 279472503293.

Almost surely, 2^{201220202112120} is an apocalyptic number.

201220202112120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201220202112120 is an abundant number, since it is smaller than the sum of its proper divisors (452745454753440).

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

201220202112120 is a wasteful number, since it uses less digits than its factorization.

201220202112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558945005884 (or 558945005877 counting only the distinct ones).

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

Adding to 201220202112120 its reverse (21211202022102), we get a palindrome (222431404134222).

The spelling of 201220202112120 in words is "two hundred one trillion, two hundred twenty billion, two hundred two million, one hundred twelve thousand, one hundred twenty".