22120111200091 has 2 divisors, whose sum is σ = 22120111200092. Its totient is φ = 22120111200090.

The previous prime is 22120111200059. The next prime is 22120111200197. The reversal of 22120111200091 is 19000211102122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22120111200091 - 2⁵ = 22120111200059 is a prime.

It is not a weakly prime, because it can be changed into another prime (22120111200001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060055600045 + 11060055600046.

It is an arithmetic number, because the mean of its divisors is an integer number (11060055600046).

Almost surely, 2^{22120111200091} is an apocalyptic number.

22120111200091 is a deficient number, since it is larger than the sum of its proper divisors (1).

22120111200091 is an equidigital number, since it uses as much as digits as its factorization.

22120111200091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 22120111200091 in words is "twenty-two trillion, one hundred twenty billion, one hundred eleven million, two hundred thousand, ninety-one".