22201100354491 has 2 divisors, whose sum is σ = 22201100354492. Its totient is φ = 22201100354490.

The previous prime is 22201100354479. The next prime is 22201100354539. The reversal of 22201100354491 is 19445300110222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22201100354491 - 2⁹ = 22201100353979 is a prime.

It is not a weakly prime, because it can be changed into another prime (22201100354431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100550177245 + 11100550177246.

It is an arithmetic number, because the mean of its divisors is an integer number (11100550177246).

Almost surely, 2^{22201100354491} is an apocalyptic number.

22201100354491 is a deficient number, since it is larger than the sum of its proper divisors (1).

22201100354491 is an equidigital number, since it uses as much as digits as its factorization.

22201100354491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 22201100354491 in words is "twenty-two trillion, two hundred one billion, one hundred million, three hundred fifty-four thousand, four hundred ninety-one".