202111133031 has 12 divisors (see below), whose sum is σ = 298149757152. Its totient is φ = 131873930496.

The previous prime is 202111132987. The next prime is 202111133089. The reversal of 202111133031 is 130331111202.

It is not a de Polignac number, because 202111133031 - 2⁶ = 202111132967 is a prime.

It is a super-2 number, since 2×202111133031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202111132995 and 202111133013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202111133831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238901626 + ... + 238902471.

It is an arithmetic number, because the mean of its divisors is an integer number (24845813096).

Almost surely, 2^202111133031 is an apocalyptic number.

202111133031 is a deficient number, since it is larger than the sum of its proper divisors (96038624121).

202111133031 is a wasteful number, since it uses less digits than its factorization.

202111133031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477804150 (or 477804147 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 202111133031 its reverse (130331111202), we get a palindrome (332442244233).

The spelling of 202111133031 in words is "two hundred two billion, one hundred eleven million, one hundred thirty-three thousand, thirty-one".