22011011001097 has 2 divisors, whose sum is σ = 22011011001098. Its totient is φ = 22011011001096.

The previous prime is 22011011001079. The next prime is 22011011001127. The reversal of 22011011001097 is 79010011011022.

Together with previous prime (22011011001079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13506881879241 + 8504129121856 = 3675171^2 + 2916184^2 .

It is a cyclic number.

It is not a de Polignac number, because 22011011001097 - 2³⁵ = 21976651262729 is a prime.

It is not a weakly prime, because it can be changed into another prime (22011011071097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005505500548 + 11005505500549.

It is an arithmetic number, because the mean of its divisors is an integer number (11005505500549).

Almost surely, 2^{22011011001097} is an apocalyptic number.

It is an amenable number.

22011011001097 is a deficient number, since it is larger than the sum of its proper divisors (1).

22011011001097 is an equidigital number, since it uses as much as digits as its factorization.

22011011001097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 25.

The spelling of 22011011001097 in words is "twenty-two trillion, eleven billion, eleven million, one thousand, ninety-seven".