22123100111 has 12 divisors (see below), whose sum is σ = 25962784992. Its totient is φ = 18794841408.

The previous prime is 22123100107. The next prime is 22123100113. The reversal of 22123100111 is 11100132122.

It is not a de Polignac number, because 22123100111 - 2² = 22123100107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22123100113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1992215 + ... + 2003288.

It is an arithmetic number, because the mean of its divisors is an integer number (2163565416).

Almost surely, 2^22123100111 is an apocalyptic number.

22123100111 is a deficient number, since it is larger than the sum of its proper divisors (3839684881).

22123100111 is a wasteful number, since it uses less digits than its factorization.

22123100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3995630 (or 3995623 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 22123100111 its reverse (11100132122), we get a palindrome (33223232233).

The spelling of 22123100111 in words is "twenty-two billion, one hundred twenty-three million, one hundred thousand, one hundred eleven".