22110122291 has 2 divisors, whose sum is σ = 22110122292. Its totient is φ = 22110122290.

The previous prime is 22110122273. The next prime is 22110122311. The reversal of 22110122291 is 19222101122.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22110122291 is a prime.

It is not a weakly prime, because it can be changed into another prime (22110142291) 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, 11055061145 + 11055061146.

It is an arithmetic number, because the mean of its divisors is an integer number (11055061146).

Almost surely, 2^22110122291 is an apocalyptic number.

22110122291 is a deficient number, since it is larger than the sum of its proper divisors (1).

22110122291 is an equidigital number, since it uses as much as digits as its factorization.

22110122291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 22110122291 in words is "twenty-two billion, one hundred ten million, one hundred twenty-two thousand, two hundred ninety-one".