22100111121111 has 8 divisors (see below), whose sum is σ = 29469683802624. Its totient is φ = 14731972926840.

The previous prime is 22100111121107. The next prime is 22100111121119. The reversal of 22100111121111 is 11112111100122.

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

It is not a de Polignac number, because 22100111121111 - 2² = 22100111121107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100111121119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358585861 + ... + 358647486.

It is an arithmetic number, because the mean of its divisors is an integer number (3683710475328).

Almost surely, 2^{22100111121111} is an apocalyptic number.

22100111121111 is a deficient number, since it is larger than the sum of its proper divisors (7369572681513).

22100111121111 is a wasteful number, since it uses less digits than its factorization.

22100111121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717243621.

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

Adding to 22100111121111 its reverse (11112111100122), we get a palindrome (33212222221233).

The spelling of 22100111121111 in words is "twenty-two trillion, one hundred billion, one hundred eleven million, one hundred twenty-one thousand, one hundred eleven".