22112101221097 has 2 divisors, whose sum is σ = 22112101221098. Its totient is φ = 22112101221096.

The previous prime is 22112101221017. The next prime is 22112101221113. The reversal of 22112101221097 is 79012210121122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13309866696361 + 8802234524736 = 3648269^2 + 2966856^2 .

It is a cyclic number.

It is not a de Polignac number, because 22112101221097 - 2¹⁵ = 22112101188329 is a prime.

It is not a weakly prime, because it can be changed into another prime (22112101221017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056050610548 + 11056050610549.

It is an arithmetic number, because the mean of its divisors is an integer number (11056050610549).

Almost surely, 2^{22112101221097} is an apocalyptic number.

It is an amenable number.

22112101221097 is a deficient number, since it is larger than the sum of its proper divisors (1).

22112101221097 is an equidigital number, since it uses as much as digits as its factorization.

22112101221097 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 31.

The spelling of 22112101221097 in words is "twenty-two trillion, one hundred twelve billion, one hundred one million, two hundred twenty-one thousand, ninety-seven".