111221111102 has 8 divisors (see below), whose sum is σ = 169659322200. Its totient is φ = 54668003704.

The previous prime is 111221111101. The next prime is 111221111119. The reversal of 111221111102 is 201111122111.

111221111102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111221111101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471275777 + ... + 471276012.

It is an arithmetic number, because the mean of its divisors is an integer number (21207415275).

Almost surely, 2^111221111102 is an apocalyptic number.

111221111102 is a deficient number, since it is larger than the sum of its proper divisors (58438211098).

111221111102 is an equidigital number, since it uses as much as digits as its factorization.

111221111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942551850.

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

Adding to 111221111102 its reverse (201111122111), we get a palindrome (312332233213).

The spelling of 111221111102 in words is "one hundred eleven billion, two hundred twenty-one million, one hundred eleven thousand, one hundred two".