22120100191 has 8 divisors (see below), whose sum is σ = 25512043040. Its totient is φ = 18786139488.

The previous prime is 22120100179. The next prime is 22120100207. The reversal of 22120100191 is 19100102122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22120100191 - 2²⁵ = 22086545759 is a prime.

It is a super-3 number, since 3×22120100191³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120100111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14494716 + ... + 14496241.

It is an arithmetic number, because the mean of its divisors is an integer number (3189005380).

Almost surely, 2^22120100191 is an apocalyptic number.

22120100191 is a deficient number, since it is larger than the sum of its proper divisors (3391942849).

22120100191 is a wasteful number, since it uses less digits than its factorization.

22120100191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28991073.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 22120100191 in words is "twenty-two billion, one hundred twenty million, one hundred thousand, one hundred ninety-one".