22111100112111 has 8 divisors (see below), whose sum is σ = 29896698743424. Its totient is φ = 14533117444440.

The previous prime is 22111100112067. The next prime is 22111100112131. The reversal of 22111100112111 is 11121100111122.

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

It is not a de Polignac number, because 22111100112111 - 2²³ = 22111091723503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111100112131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51903990661 + ... + 51903991086.

It is an arithmetic number, because the mean of its divisors is an integer number (3737087342928).

Almost surely, 2^{22111100112111} is an apocalyptic number.

22111100112111 is a deficient number, since it is larger than the sum of its proper divisors (7785598631313).

22111100112111 is a wasteful number, since it uses less digits than its factorization.

22111100112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103807981821.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 22111100112111 its reverse (11121100111122), we get a palindrome (33232200223233).

The spelling of 22111100112111 in words is "twenty-two trillion, one hundred eleven billion, one hundred million, one hundred twelve thousand, one hundred eleven".