202203121111023 has 4 divisors (see below), whose sum is σ = 269604161481368. Its totient is φ = 134802080740680.

The previous prime is 202203121111003. The next prime is 202203121111049. The reversal of 202203121111023 is 320111121302202.

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

It is not a de Polignac number, because 202203121111023 - 2³³ = 202194531176431 is a prime.

It is a super-2 number, since 2×202203121111023² (a number of 29 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 (202203121111003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33700520185168 + ... + 33700520185173.

It is an arithmetic number, because the mean of its divisors is an integer number (67401040370342).

Almost surely, 2^{202203121111023} is an apocalyptic number.

202203121111023 is a deficient number, since it is larger than the sum of its proper divisors (67401040370345).

202203121111023 is an equidigital number, since it uses as much as digits as its factorization.

202203121111023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67401040370344.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 202203121111023 its reverse (320111121302202), we get a palindrome (522314242413225).

The spelling of 202203121111023 in words is "two hundred two trillion, two hundred three billion, one hundred twenty-one million, one hundred eleven thousand, twenty-three".