22401112111 has 16 divisors (see below), whose sum is σ = 25942291200. Its totient is φ = 18945770688.

The previous prime is 22401112103. The next prime is 22401112117. The reversal of 22401112111 is 11121110422.

It is a cyclic number.

It is not a de Polignac number, because 22401112111 - 2³ = 22401112103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22401112117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 446200 + ... + 493858.

It is an arithmetic number, because the mean of its divisors is an integer number (1621393200).

Almost surely, 2^22401112111 is an apocalyptic number.

22401112111 is a deficient number, since it is larger than the sum of its proper divisors (3541179089).

22401112111 is an equidigital number, since it uses as much as digits as its factorization.

22401112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48558.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22401112111 its reverse (11121110422), we get a palindrome (33522222533).

The spelling of 22401112111 in words is "twenty-two billion, four hundred one million, one hundred twelve thousand, one hundred eleven".