111102221013 has 16 divisors (see below), whose sum is σ = 172492937856. Its totient is φ = 62289115200.

The previous prime is 111102220991. The next prime is 111102221033. The reversal of 111102221013 is 310122201111.

It is not a de Polignac number, because 111102221013 - 2⁶ = 111102220949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111102220983 and 111102221001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111102221033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49910038 + ... + 49912263.

It is an arithmetic number, because the mean of its divisors is an integer number (10780808616).

Almost surely, 2^111102221013 is an apocalyptic number.

It is an amenable number.

111102221013 is a deficient number, since it is larger than the sum of its proper divisors (61390716843).

111102221013 is an equidigital number, since it uses as much as digits as its factorization.

111102221013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99822364.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 111102221013 its reverse (310122201111), we get a palindrome (421224422124).

The spelling of 111102221013 in words is "one hundred eleven billion, one hundred two million, two hundred twenty-one thousand, thirteen".