111020221102 has 32 divisors (see below), whose sum is σ = 194425963200. Its totient is φ = 47525829120.

The previous prime is 111020221093. The next prime is 111020221139. The reversal of 111020221102 is 201122020111.

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, 512518 + ... + 696214.

It is an arithmetic number, because the mean of its divisors is an integer number (6075811350).

Almost surely, 2^111020221102 is an apocalyptic number.

111020221102 is a deficient number, since it is larger than the sum of its proper divisors (83405742098).

111020221102 is an equidigital number, since it uses as much as digits as its factorization.

111020221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184601 (or 184587 counting only the distinct ones).

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

Adding to 111020221102 its reverse (201122020111), we get a palindrome (312142241213).

The spelling of 111020221102 in words is "one hundred eleven billion, twenty million, two hundred twenty-one thousand, one hundred two".