20221231202113 has 8 divisors (see below), whose sum is σ = 21286563651200. Its totient is φ = 19156004465328.

The previous prime is 20221231202089. The next prime is 20221231202119. The reversal of 20221231202113 is 31120213212202.

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 20221231202113 - 2²¹ = 20221229104961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20221231202119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26035278 + ... + 26800711.

It is an arithmetic number, because the mean of its divisors is an integer number (2660820456400).

Almost surely, 2^{20221231202113} is an apocalyptic number.

It is an amenable number.

20221231202113 is a deficient number, since it is larger than the sum of its proper divisors (1065332449087).

20221231202113 is a wasteful number, since it uses less digits than its factorization.

20221231202113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52856151.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20221231202113 its reverse (31120213212202), we get a palindrome (51341444414315).

The spelling of 20221231202113 in words is "twenty trillion, two hundred twenty-one billion, two hundred thirty-one million, two hundred two thousand, one hundred thirteen".