111122001102 has 32 divisors (see below), whose sum is σ = 254014560000. Its totient is φ = 31746466368.

The previous prime is 111122001071. The next prime is 111122001113. The reversal of 111122001102 is 201100221111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422649 + ... + 633147.

It is an arithmetic number, because the mean of its divisors is an integer number (7937955000).

Almost surely, 2^111122001102 is an apocalyptic number.

111122001102 is an abundant number, since it is smaller than the sum of its proper divisors (142892558898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111122001102 is a wasteful number, since it uses less digits than its factorization.

111122001102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223080.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111122001102 its reverse (201100221111), we get a palindrome (312222222213).

The spelling of 111122001102 in words is "one hundred eleven billion, one hundred twenty-two million, one thousand, one hundred two".