22123402412291 has 2 divisors, whose sum is σ = 22123402412292. Its totient is φ = 22123402412290.

The previous prime is 22123402412263. The next prime is 22123402412297. The reversal of 22123402412291 is 19221420432122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22123402412291 - 2¹⁸ = 22123402150147 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (22123402412297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061701206145 + 11061701206146.

It is an arithmetic number, because the mean of its divisors is an integer number (11061701206146).

Almost surely, 2^{22123402412291} is an apocalyptic number.

22123402412291 is a deficient number, since it is larger than the sum of its proper divisors (1).

22123402412291 is an equidigital number, since it uses as much as digits as its factorization.

22123402412291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 22123402412291 in words is "twenty-two trillion, one hundred twenty-three billion, four hundred two million, four hundred twelve thousand, two hundred ninety-one".