22012002120197 has 2 divisors, whose sum is σ = 22012002120198. Its totient is φ = 22012002120196.

The previous prime is 22012002120179. The next prime is 22012002120203. The reversal of 22012002120197 is 79102120021022.

Together with previous prime (22012002120179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18255871290721 + 3756130829476 = 4272689^2 + 1938074^2 .

It is a cyclic number.

It is not a de Polignac number, because 22012002120197 - 2⁸ = 22012002119941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22012002180197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006001060098 + 11006001060099.

It is an arithmetic number, because the mean of its divisors is an integer number (11006001060099).

Almost surely, 2^{22012002120197} is an apocalyptic number.

It is an amenable number.

22012002120197 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012002120197 is an equidigital number, since it uses as much as digits as its factorization.

22012002120197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The spelling of 22012002120197 in words is "twenty-two trillion, twelve billion, two million, one hundred twenty thousand, one hundred ninety-seven".