202021131121201 has 16 divisors (see below), whose sum is σ = 238748551657344. Its totient is φ = 167358053326464.

The previous prime is 202021131121193. The next prime is 202021131121207. The reversal of 202021131121201 is 102121131120202.

It is not a de Polignac number, because 202021131121201 - 2³ = 202021131121193 is a prime.

It is a super-2 number, since 2×202021131121201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202021131121207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4063641940 + ... + 4063691653.

It is an arithmetic number, because the mean of its divisors is an integer number (14921784478584).

Almost surely, 2^{202021131121201} is an apocalyptic number.

It is an amenable number.

202021131121201 is a deficient number, since it is larger than the sum of its proper divisors (36727420536143).

202021131121201 is an equidigital number, since it uses as much as digits as its factorization.

202021131121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8127333720.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 202021131121201 its reverse (102121131120202), we get a palindrome (304142262241403).

Subtracting from 202021131121201 its reverse (102121131120202), we obtain a palindrome (99900000000999).

The spelling of 202021131121201 in words is "two hundred two trillion, twenty-one billion, one hundred thirty-one million, one hundred twenty-one thousand, two hundred one".