111221102230 has 16 divisors (see below), whose sum is σ = 228797696160. Its totient is φ = 38132949312.

The previous prime is 111221102227. The next prime is 111221102261. The reversal of 111221102230 is 32201122111.

It is a super-2 number, since 2×111221102230² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 794436375 + ... + 794436514.

It is an arithmetic number, because the mean of its divisors is an integer number (14299856010).

Almost surely, 2^111221102230 is an apocalyptic number.

111221102230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111221102230 is an abundant number, since it is smaller than the sum of its proper divisors (117576593930).

111221102230 is a wasteful number, since it uses less digits than its factorization.

111221102230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588872903.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 111221102230 its reverse (32201122111), we get a palindrome (143422224341).

The spelling of 111221102230 in words is "one hundred eleven billion, two hundred twenty-one million, one hundred two thousand, two hundred thirty".