22011120201091 has 4 divisors (see below), whose sum is σ = 25155565944112. Its totient is φ = 18866674458072.

The previous prime is 22011120201041. The next prime is 22011120201097. The reversal of 22011120201091 is 19010202111022.

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

It is not a de Polignac number, because 22011120201091 - 2¹⁷ = 22011120070019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22011120201097) 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, 1572222871500 + ... + 1572222871513.

It is an arithmetic number, because the mean of its divisors is an integer number (6288891486028).

Almost surely, 2^{22011120201091} is an apocalyptic number.

22011120201091 is a deficient number, since it is larger than the sum of its proper divisors (3144445743021).

22011120201091 is an equidigital number, since it uses as much as digits as its factorization.

22011120201091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3144445743020.

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

The spelling of 22011120201091 in words is "twenty-two trillion, eleven billion, one hundred twenty million, two hundred one thousand, ninety-one".