111121310230 has 32 divisors (see below), whose sum is σ = 228693305664. Its totient is φ = 38081918976.

The previous prime is 111121310197. The next prime is 111121310257. The reversal of 111121310230 is 32013121111.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 190087 + ... + 508306.

It is an arithmetic number, because the mean of its divisors is an integer number (7146665802).

Almost surely, 2^111121310230 is an apocalyptic number.

111121310230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111121310230 is an abundant number, since it is smaller than the sum of its proper divisors (117571995434).

111121310230 is a wasteful number, since it uses less digits than its factorization.

111121310230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700680.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 111121310230 its reverse (32013121111), we get a palindrome (143134431341).

The spelling of 111121310230 in words is "one hundred eleven billion, one hundred twenty-one million, three hundred ten thousand, two hundred thirty".