22122701291 has 2 divisors, whose sum is σ = 22122701292. Its totient is φ = 22122701290.

The previous prime is 22122701287. The next prime is 22122701309. The reversal of 22122701291 is 19210722122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22122701291 - 2² = 22122701287 is a prime.

It is not a weakly prime, because it can be changed into another prime (22122701261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061350645 + 11061350646.

It is an arithmetic number, because the mean of its divisors is an integer number (11061350646).

Almost surely, 2^22122701291 is an apocalyptic number.

22122701291 is a deficient number, since it is larger than the sum of its proper divisors (1).

22122701291 is an equidigital number, since it uses as much as digits as its factorization.

22122701291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 29.

The spelling of 22122701291 in words is "twenty-two billion, one hundred twenty-two million, seven hundred one thousand, two hundred ninety-one".