111010221102 has 64 divisors (see below), whose sum is σ = 263382637824. Its totient is φ = 30804963840.

The previous prime is 111010221043. The next prime is 111010221131. The reversal of 111010221102 is 201122010111.

It is a super-2 number, since 2×111010221102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1295508 + ... + 1378535.

It is an arithmetic number, because the mean of its divisors is an integer number (4115353716).

Almost surely, 2^111010221102 is an apocalyptic number.

111010221102 is an abundant number, since it is smaller than the sum of its proper divisors (152372416722).

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

111010221102 is a wasteful number, since it uses less digits than its factorization.

111010221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674113.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111010221102 its reverse (201122010111), we get a palindrome (312132231213).

The spelling of 111010221102 in words is "one hundred eleven billion, ten million, two hundred twenty-one thousand, one hundred two".