201020021011120 has 40 divisors (see below), whose sum is σ = 467381246489280. Its totient is φ = 80406339993600.

The previous prime is 201020021011109. The next prime is 201020021011133. The reversal of 201020021011120 is 21110120020102.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×201020021011120² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201020021011120.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22185681 + ... + 29903920.

It is an arithmetic number, because the mean of its divisors is an integer number (11684531162232).

Almost surely, 2^{201020021011120} is an apocalyptic number.

201020021011120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201020021011120 is an abundant number, since it is smaller than the sum of its proper divisors (266361225478160).

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

201020021011120 is a wasteful number, since it uses less digits than its factorization.

201020021011120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52137853 (or 52137847 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201020021011120 its reverse (21110120020102), we get a palindrome (222130141031222).

The spelling of 201020021011120 in words is "two hundred one trillion, twenty billion, twenty-one million, eleven thousand, one hundred twenty".