201022002120120 has 64 divisors (see below), whose sum is σ = 611327184556320. Its totient is φ = 52871540281344.

The previous prime is 201022002120083. The next prime is 201022002120133. The reversal of 201022002120120 is 21021200220102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 201022002120120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11473849809 + ... + 11473867328.

Almost surely, 2^{201022002120120} is an apocalyptic number.

201022002120120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201022002120120 is an abundant number, since it is smaller than the sum of its proper divisors (410305182436200).

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

201022002120120 is a wasteful number, since it uses less digits than its factorization.

201022002120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22947717224 (or 22947717220 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 201022002120120 its reverse (21021200220102), we get a palindrome (222043202340222).

The spelling of 201022002120120 in words is "two hundred one trillion, twenty-two billion, two million, one hundred twenty thousand, one hundred twenty".