23202211220281 has 2 divisors, whose sum is σ = 23202211220282. Its totient is φ = 23202211220280.

The previous prime is 23202211220231. The next prime is 23202211220323. The reversal of 23202211220281 is 18202211220232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18960938701056 + 4241272519225 = 4354416^2 + 2059435^2 .

It is a cyclic number.

It is not a de Polignac number, because 23202211220281 - 2³⁹ = 22652455406393 is a prime.

It is a super-2 number, since 2×23202211220281² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23202211220231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11601105610140 + 11601105610141.

It is an arithmetic number, because the mean of its divisors is an integer number (11601105610141).

Almost surely, 2^{23202211220281} is an apocalyptic number.

It is an amenable number.

23202211220281 is a deficient number, since it is larger than the sum of its proper divisors (1).

23202211220281 is an equidigital number, since it uses as much as digits as its factorization.

23202211220281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 28.

The spelling of 23202211220281 in words is "twenty-three trillion, two hundred two billion, two hundred eleven million, two hundred twenty thousand, two hundred eighty-one".