202211111222231 has 2 divisors, whose sum is σ = 202211111222232. Its totient is φ = 202211111222230.

The previous prime is 202211111222209. The next prime is 202211111222249. The reversal of 202211111222231 is 132222111112202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202211111222231 - 2⁴² = 197813064711127 is a prime.

It is a super-2 number, since 2×202211111222231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202211111222197 and 202211111222206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202211111222261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101105555611115 + 101105555611116.

It is an arithmetic number, because the mean of its divisors is an integer number (101105555611116).

Almost surely, 2^{202211111222231} is an apocalyptic number.

202211111222231 is a deficient number, since it is larger than the sum of its proper divisors (1).

202211111222231 is an equidigital number, since it uses as much as digits as its factorization.

202211111222231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 202211111222231 its reverse (132222111112202), we get a palindrome (334433222334433).

The spelling of 202211111222231 in words is "two hundred two trillion, two hundred eleven billion, one hundred eleven million, two hundred twenty-two thousand, two hundred thirty-one".