111112212130 has 8 divisors (see below), whose sum is σ = 200001981852. Its totient is φ = 44444884848.

The previous prime is 111112212077. The next prime is 111112212161. The reversal of 111112212130 is 31212211111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 106304037849 + 4808174281 = 326043^2 + 69341^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5555610597 + ... + 5555610616.

Almost surely, 2^111112212130 is an apocalyptic number.

111112212130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111112212130 is a deficient number, since it is larger than the sum of its proper divisors (88889769722).

111112212130 is a wasteful number, since it uses less digits than its factorization.

111112212130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11111221220.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 111112212130 its reverse (31212211111), we get a palindrome (142324423241).

The spelling of 111112212130 in words is "one hundred eleven billion, one hundred twelve million, two hundred twelve thousand, one hundred thirty".