22011222222191 has 4 divisors (see below), whose sum is σ = 22012572537384. Its totient is φ = 22009871907000.

The previous prime is 22011222222181. The next prime is 22011222222247. The reversal of 22011222222191 is 19122222211022.

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

It is a cyclic number.

It is not a de Polignac number, because 22011222222191 - 2¹⁸ = 22011221960047 is a prime.

It is a super-3 number, since 3×22011222222191³ (a number of 41 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 (22011222222161) 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, 675133145 + ... + 675165746.

It is an arithmetic number, because the mean of its divisors is an integer number (5503143134346).

Almost surely, 2^{22011222222191} is an apocalyptic number.

22011222222191 is a deficient number, since it is larger than the sum of its proper divisors (1350315193).

22011222222191 is a wasteful number, since it uses less digits than its factorization.

22011222222191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350315192.

The product of its (nonzero) digits is 2304, while the sum is 29.

The spelling of 22011222222191 in words is "twenty-two trillion, eleven billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred ninety-one".