22102012001197 has 2 divisors, whose sum is σ = 22102012001198. Its totient is φ = 22102012001196.

The previous prime is 22102012001191. The next prime is 22102012001269. The reversal of 22102012001197 is 79110021020122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19653519366441 + 2448492634756 = 4433229^2 + 1564766^2 .

It is a cyclic number.

It is not a de Polignac number, because 22102012001197 - 2³ = 22102012001189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22102012001191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11051006000598 + 11051006000599.

It is an arithmetic number, because the mean of its divisors is an integer number (11051006000599).

Almost surely, 2^{22102012001197} is an apocalyptic number.

It is an amenable number.

22102012001197 is a deficient number, since it is larger than the sum of its proper divisors (1).

22102012001197 is an equidigital number, since it uses as much as digits as its factorization.

22102012001197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 28.

The spelling of 22102012001197 in words is "twenty-two trillion, one hundred two billion, twelve million, one thousand, one hundred ninety-seven".