22011201097 has 2 divisors, whose sum is σ = 22011201098. Its totient is φ = 22011201096.

The previous prime is 22011201059. The next prime is 22011201109. The reversal of 22011201097 is 79010211022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13371684496 + 8639516601 = 115636^2 + 92949^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22011201097 is a prime.

It is not a weakly prime, because it can be changed into another prime (22011201007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005600548 + 11005600549.

It is an arithmetic number, because the mean of its divisors is an integer number (11005600549).

Almost surely, 2^22011201097 is an apocalyptic number.

It is an amenable number.

22011201097 is a deficient number, since it is larger than the sum of its proper divisors (1).

22011201097 is an equidigital number, since it uses as much as digits as its factorization.

22011201097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 25.

The spelling of 22011201097 in words is "twenty-two billion, eleven million, two hundred one thousand, ninety-seven".