202011101131 has 16 divisors (see below), whose sum is σ = 238846141440. Its totient is φ = 167170903200.

The previous prime is 202011101113. The next prime is 202011101137. The reversal of 202011101131 is 131101110202.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-202011101131 is a prime.

It is a super-2 number, since 2×202011101131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202011101137) 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, 5569906 + ... + 5606056.

It is an arithmetic number, because the mean of its divisors is an integer number (14927883840).

Almost surely, 2^202011101131 is an apocalyptic number.

202011101131 is a deficient number, since it is larger than the sum of its proper divisors (36835040309).

202011101131 is a wasteful number, since it uses less digits than its factorization.

202011101131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63714.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 202011101131 its reverse (131101110202), we get a palindrome (333112211333).

The spelling of 202011101131 in words is "two hundred two billion, eleven million, one hundred one thousand, one hundred thirty-one".