22201012091 has 2 divisors, whose sum is σ = 22201012092. Its totient is φ = 22201012090.

The previous prime is 22201012013. The next prime is 22201012123. The reversal of 22201012091 is 19021010222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22201012091 - 2¹⁸ = 22200749947 is a prime.

It is a super-3 number, since 3×22201012091³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (22201012991) 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, 11100506045 + 11100506046.

It is an arithmetic number, because the mean of its divisors is an integer number (11100506046).

Almost surely, 2^22201012091 is an apocalyptic number.

22201012091 is a deficient number, since it is larger than the sum of its proper divisors (1).

22201012091 is an equidigital number, since it uses as much as digits as its factorization.

22201012091 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 22201012091 in words is "twenty-two billion, two hundred one million, twelve thousand, ninety-one".