111220223102 has 24 divisors (see below), whose sum is σ = 175396263408. Its totient is φ = 52791446400.

The previous prime is 111220223083. The next prime is 111220223111. The reversal of 111220223102 is 201322022111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26472602 + ... + 26476802.

It is an arithmetic number, because the mean of its divisors is an integer number (7308177642).

Almost surely, 2^111220223102 is an apocalyptic number.

111220223102 is a deficient number, since it is larger than the sum of its proper divisors (64176040306).

111220223102 is an frugal number, since it uses more digits than its factorization.

111220223102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8564 (or 4363 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 111220223102 its reverse (201322022111), we get a palindrome (312542245213).

The spelling of 111220223102 in words is "one hundred eleven billion, two hundred twenty million, two hundred twenty-three thousand, one hundred two".