202201221121231 has 2 divisors, whose sum is σ = 202201221121232. Its totient is φ = 202201221121230.

The previous prime is 202201221121117. The next prime is 202201221121271. The reversal of 202201221121231 is 132121122102202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202201221121231 - 2²⁵ = 202201187566799 is a prime.

It is a super-2 number, since 2×202201221121231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202201221121271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101100610560615 + 101100610560616.

It is an arithmetic number, because the mean of its divisors is an integer number (101100610560616).

Almost surely, 2^{202201221121231} is an apocalyptic number.

202201221121231 is a deficient number, since it is larger than the sum of its proper divisors (1).

202201221121231 is an equidigital number, since it uses as much as digits as its factorization.

202201221121231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 202201221121231 its reverse (132121122102202), we get a palindrome (334322343223433).

The spelling of 202201221121231 in words is "two hundred two trillion, two hundred one billion, two hundred twenty-one million, one hundred twenty-one thousand, two hundred thirty-one".