20221231137203 has 2 divisors, whose sum is σ = 20221231137204. Its totient is φ = 20221231137202.

The previous prime is 20221231137181. The next prime is 20221231137227. The reversal of 20221231137203 is 30273113212202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20221231137203 - 2⁸ = 20221231136947 is a prime.

It is a super-2 number, since 2×20221231137203² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (20221231137403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110615568601 + 10110615568602.

It is an arithmetic number, because the mean of its divisors is an integer number (10110615568602).

Almost surely, 2^{20221231137203} is an apocalyptic number.

20221231137203 is a deficient number, since it is larger than the sum of its proper divisors (1).

20221231137203 is an equidigital number, since it uses as much as digits as its factorization.

20221231137203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

Adding to 20221231137203 its reverse (30273113212202), we get a palindrome (50494344349405).

The spelling of 20221231137203 in words is "twenty trillion, two hundred twenty-one billion, two hundred thirty-one million, one hundred thirty-seven thousand, two hundred three".