2021113302023 has 4 divisors (see below), whose sum is σ = 2127487686360. Its totient is φ = 1914738917688.

The previous prime is 2021113302017. The next prime is 2021113302037. The reversal of 2021113302023 is 3202033111202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2021113302023 - 2²⁸ = 2020844866567 is a prime.

It is a super-2 number, since 2×2021113302023² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2021113301986 and 2021113302004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021113301023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53187192140 + ... + 53187192177.

It is an arithmetic number, because the mean of its divisors is an integer number (531871921590).

Almost surely, 2^{2021113302023} is an apocalyptic number.

2021113302023 is a deficient number, since it is larger than the sum of its proper divisors (106374384337).

2021113302023 is a wasteful number, since it uses less digits than its factorization.

2021113302023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106374384336.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2021113302023 its reverse (3202033111202), we get a palindrome (5223146413225).

The spelling of 2021113302023 in words is "two trillion, twenty-one billion, one hundred thirteen million, three hundred two thousand, twenty-three".