202120122011010 has 64 divisors (see below), whose sum is σ = 573503400403200. Its totient is φ = 44605820028672.

The previous prime is 202120122010967. The next prime is 202120122011023. The reversal of 202120122011010 is 10110221021202.

It is a super-2 number, since 2×202120122011010² (a number of 29 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16594421005 + ... + 16594433184.

It is an arithmetic number, because the mean of its divisors is an integer number (8960990631300).

Almost surely, 2^{202120122011010} is an apocalyptic number.

202120122011010 is an abundant number, since it is smaller than the sum of its proper divisors (371383278392190).

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

202120122011010 is a wasteful number, since it uses less digits than its factorization.

202120122011010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33188854235.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 202120122011010 its reverse (10110221021202), we get a palindrome (212230343032212).

The spelling of 202120122011010 in words is "two hundred two trillion, one hundred twenty billion, one hundred twenty-two million, eleven thousand, ten".