111012661130 has 32 divisors (see below), whose sum is σ = 231777403776. Its totient is φ = 37493400384.

The previous prime is 111012661127. The next prime is 111012661147. The reversal of 111012661130 is 31166210111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111012661096 and 111012661105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11830349 + ... + 11839728.

It is an arithmetic number, because the mean of its divisors is an integer number (7243043868).

Almost surely, 2^111012661130 is an apocalyptic number.

111012661130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111012661130 is an abundant number, since it is smaller than the sum of its proper divisors (120764742646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111012661130 is a wasteful number, since it uses less digits than its factorization.

111012661130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23670158.

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 111012661130 its reverse (31166210111), we get a palindrome (142178871241).

The spelling of 111012661130 in words is "one hundred eleven billion, twelve million, six hundred sixty-one thousand, one hundred thirty".