111131012330 has 16 divisors (see below), whose sum is σ = 215423193384. Its totient is φ = 41032989120.

The previous prime is 111131012269. The next prime is 111131012347. The reversal of 111131012330 is 33210131111.

It can be written as a sum of positive squares in 4 ways, for example, as 102075777049 + 9055235281 = 319493^2 + 95159^2 .

It is a super-2 number, since 2×111131012330² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111131012299 and 111131012308.

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, 427426841 + ... + 427427100.

Almost surely, 2^111131012330 is an apocalyptic number.

111131012330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111131012330 is a deficient number, since it is larger than the sum of its proper divisors (104292181054).

111131012330 is a wasteful number, since it uses less digits than its factorization.

111131012330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854853961.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 111131012330 its reverse (33210131111), we get a palindrome (144341143441).

The spelling of 111131012330 in words is "one hundred eleven billion, one hundred thirty-one million, twelve thousand, three hundred thirty".