22202020231081 has 2 divisors, whose sum is σ = 22202020231082. Its totient is φ = 22202020231080.

The previous prime is 22202020231073. The next prime is 22202020231133. The reversal of 22202020231081 is 18013202020222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18205283565225 + 3996736665856 = 4266765^2 + 1999184^2 .

It is a cyclic number.

It is not a de Polignac number, because 22202020231081 - 2³ = 22202020231073 is a prime.

It is a super-2 number, since 2×22202020231081² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22202020231021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11101010115540 + 11101010115541.

It is an arithmetic number, because the mean of its divisors is an integer number (11101010115541).

Almost surely, 2^{22202020231081} is an apocalyptic number.

It is an amenable number.

22202020231081 is a deficient number, since it is larger than the sum of its proper divisors (1).

22202020231081 is an equidigital number, since it uses as much as digits as its factorization.

22202020231081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 25.

The spelling of 22202020231081 in words is "twenty-two trillion, two hundred two billion, twenty million, two hundred thirty-one thousand, eighty-one".