22011001022091 has 4 divisors (see below), whose sum is σ = 29348001362792. Its totient is φ = 14674000681392.

The previous prime is 22011001022071. The next prime is 22011001022111. The reversal of 22011001022091 is 19022010011022.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22011001022071) and next prime (22011001022111).

It is not a de Polignac number, because 22011001022091 - 2¹⁹ = 22011000497803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22011001022041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3668500170346 + ... + 3668500170351.

It is an arithmetic number, because the mean of its divisors is an integer number (7337000340698).

Almost surely, 2^{22011001022091} is an apocalyptic number.

22011001022091 is a deficient number, since it is larger than the sum of its proper divisors (7337000340701).

22011001022091 is an equidigital number, since it uses as much as digits as its factorization.

22011001022091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7337000340700.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 22011001022091 in words is "twenty-two trillion, eleven billion, one million, twenty-two thousand, ninety-one".