22100331210497 has 2 divisors, whose sum is σ = 22100331210498. Its totient is φ = 22100331210496.

The previous prime is 22100331210431. The next prime is 22100331210557. The reversal of 22100331210497 is 79401213300122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18261255275761 + 3839075934736 = 4273319^2 + 1959356^2 .

It is a cyclic number.

It is not a de Polignac number, because 22100331210497 - 2²² = 22100327016193 is a prime.

It is a super-2 number, since 2×22100331210497² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22100331210407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050165605248 + 11050165605249.

It is an arithmetic number, because the mean of its divisors is an integer number (11050165605249).

Almost surely, 2^{22100331210497} is an apocalyptic number.

It is an amenable number.

22100331210497 is a deficient number, since it is larger than the sum of its proper divisors (1).

22100331210497 is an equidigital number, since it uses as much as digits as its factorization.

22100331210497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 22100331210497 in words is "twenty-two trillion, one hundred billion, three hundred thirty-one million, two hundred ten thousand, four hundred ninety-seven".