22012201000091 has 2 divisors, whose sum is σ = 22012201000092. Its totient is φ = 22012201000090.

The previous prime is 22012201000057. The next prime is 22012201000123. The reversal of 22012201000091 is 19000010221022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22012201000091 - 2¹⁰ = 22012200999067 is a prime.

It is not a weakly prime, because it can be changed into another prime (22012201300091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006100500045 + 11006100500046.

It is an arithmetic number, because the mean of its divisors is an integer number (11006100500046).

Almost surely, 2^{22012201000091} is an apocalyptic number.

22012201000091 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012201000091 is an equidigital number, since it uses as much as digits as its factorization.

22012201000091 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 20.

The spelling of 22012201000091 in words is "twenty-two trillion, twelve billion, two hundred one million, ninety-one", and thus it is an aban number.