111244221102 has 16 divisors (see below), whose sum is σ = 254272505472. Its totient is φ = 31784063160.

The previous prime is 111244221089. The next prime is 111244221113. The reversal of 111244221102 is 201122442111.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 1324335924 + ... + 1324336007.

It is an arithmetic number, because the mean of its divisors is an integer number (15892031592).

Almost surely, 2^111244221102 is an apocalyptic number.

111244221102 is an abundant number, since it is smaller than the sum of its proper divisors (143028284370).

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

111244221102 is a wasteful number, since it uses less digits than its factorization.

111244221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2648671943.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 111244221102 its reverse (201122442111), we get a palindrome (312366663213).

The spelling of 111244221102 in words is "one hundred eleven billion, two hundred forty-four million, two hundred twenty-one thousand, one hundred two".