202011111023 has 2 divisors, whose sum is σ = 202011111024. Its totient is φ = 202011111022.

The previous prime is 202011110999. The next prime is 202011111059. The reversal of 202011111023 is 320111110202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202011111023 - 2¹⁰ = 202011109999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202011110989 and 202011111007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202011111623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101005555511 + 101005555512.

It is an arithmetic number, because the mean of its divisors is an integer number (101005555512).

Almost surely, 2^202011111023 is an apocalyptic number.

202011111023 is a deficient number, since it is larger than the sum of its proper divisors (1).

202011111023 is an equidigital number, since it uses as much as digits as its factorization.

202011111023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 202011111023 its reverse (320111110202), we get a palindrome (522122221225).

The spelling of 202011111023 in words is "two hundred two billion, eleven million, one hundred eleven thousand, twenty-three".