111122111102 has 16 divisors (see below), whose sum is σ = 167197446000. Its totient is φ = 55389841920.

The previous prime is 111122111071. The next prime is 111122111117. The reversal of 111122111102 is 201111221111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1008149 + ... + 1112927.

It is an arithmetic number, because the mean of its divisors is an integer number (10449840375).

Almost surely, 2^111122111102 is an apocalyptic number.

111122111102 is a deficient number, since it is larger than the sum of its proper divisors (56075334898).

111122111102 is a wasteful number, since it uses less digits than its factorization.

111122111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106411.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111122111102 its reverse (201111221111), we get a palindrome (312233332213).

The spelling of 111122111102 in words is "one hundred eleven billion, one hundred twenty-two million, one hundred eleven thousand, one hundred two".