202002111023 has 16 divisors (see below), whose sum is σ = 214508969280. Its totient is φ = 189565318656.

The previous prime is 202002110941. The next prime is 202002111029. The reversal of 202002111023 is 320111200202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 202002111023 - 2¹⁰ = 202002109999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202002110989 and 202002111007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202002111029) 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, 10164965 + ... + 10184817.

It is an arithmetic number, because the mean of its divisors is an integer number (13406810580).

Almost surely, 2^202002111023 is an apocalyptic number.

202002111023 is a deficient number, since it is larger than the sum of its proper divisors (12506858257).

202002111023 is a wasteful number, since it uses less digits than its factorization.

202002111023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21586.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 202002111023 its reverse (320111200202), we get a palindrome (522113311225).

The spelling of 202002111023 in words is "two hundred two billion, two million, one hundred eleven thousand, twenty-three".