111221322230 has 16 divisors (see below), whose sum is σ = 200286497664. Its totient is φ = 44468947200.

The previous prime is 111221322221. The next prime is 111221322239. The reversal of 111221322230 is 32223122111.

It is an interprime number because it is at equal distance from previous prime (111221322221) and next prime (111221322239).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111221322239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2423846 + ... + 2469305.

It is an arithmetic number, because the mean of its divisors is an integer number (12517906104).

Almost surely, 2^111221322230 is an apocalyptic number.

111221322230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111221322230 is a deficient number, since it is larger than the sum of its proper divisors (89065175434).

111221322230 is a wasteful number, since it uses less digits than its factorization.

111221322230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4895431.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 111221322230 its reverse (32223122111), we get a palindrome (143444444341).

The spelling of 111221322230 in words is "one hundred eleven billion, two hundred twenty-one million, three hundred twenty-two thousand, two hundred thirty".