202113221023 has 8 divisors (see below), whose sum is σ = 230989898880. Its totient is φ = 173237383320.

The previous prime is 202113221003. The next prime is 202113221029. The reversal of 202113221023 is 320122311202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202113221023 - 2¹⁷ = 202113089951 is a prime.

It is a super-2 number, since 2×202113221023² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202113221029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439308 + ... + 772798.

It is an arithmetic number, because the mean of its divisors is an integer number (28873737360).

Almost surely, 2^202113221023 is an apocalyptic number.

202113221023 is a deficient number, since it is larger than the sum of its proper divisors (28876677857).

202113221023 is an equidigital number, since it uses as much as digits as its factorization.

202113221023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420077.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 202113221023 its reverse (320122311202), we get a palindrome (522235532225).

The spelling of 202113221023 in words is "two hundred two billion, one hundred thirteen million, two hundred twenty-one thousand, twenty-three".