12220011202081 has 2 divisors, whose sum is σ = 12220011202082. Its totient is φ = 12220011202080.

The previous prime is 12220011202057. The next prime is 12220011202111. The reversal of 12220011202081 is 18020211002221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11396808839056 + 823202363025 = 3375916^2 + 907305^2 .

It is a cyclic number.

It is not a de Polignac number, because 12220011202081 - 2²⁷ = 12219876984353 is a prime.

It is a super-2 number, since 2×12220011202081² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12220011202981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110005601040 + 6110005601041.

It is an arithmetic number, because the mean of its divisors is an integer number (6110005601041).

Almost surely, 2^{12220011202081} is an apocalyptic number.

It is an amenable number.

12220011202081 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220011202081 is an equidigital number, since it uses as much as digits as its factorization.

12220011202081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 22.

The spelling of 12220011202081 in words is "twelve trillion, two hundred twenty billion, eleven million, two hundred two thousand, eighty-one".