22002112111 has 16 divisors (see below), whose sum is σ = 25626599680. Its totient is φ = 18500296320.

The previous prime is 22002112103. The next prime is 22002112151. The reversal of 22002112111 is 11121120022.

It is a cyclic number.

It is not a de Polignac number, because 22002112111 - 2³ = 22002112103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22002112091 and 22002112100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002112151) 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, 15700 + ... + 210358.

It is an arithmetic number, because the mean of its divisors is an integer number (1601662480).

Almost surely, 2^22002112111 is an apocalyptic number.

22002112111 is a deficient number, since it is larger than the sum of its proper divisors (3624487569).

22002112111 is a wasteful number, since it uses less digits than its factorization.

22002112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194974.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22002112111 its reverse (11121120022), we get a palindrome (33123232133).

The spelling of 22002112111 in words is "twenty-two billion, two million, one hundred twelve thousand, one hundred eleven".