111121321130 has 32 divisors (see below), whose sum is σ = 205114705920. Its totient is φ = 43330080640.

The previous prime is 111121321111. The next prime is 111121321133. The reversal of 111121321130 is 31123121111.

It is a junction number, because it is equal to n+sod(n) for n = 111121321099 and 111121321108.

It is not an unprimeable number, because it can be changed into a prime (111121321133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 816074 + ... + 942453.

It is an arithmetic number, because the mean of its divisors is an integer number (6409834560).

Almost surely, 2^111121321130 is an apocalyptic number.

111121321130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111121321130 is a deficient number, since it is larger than the sum of its proper divisors (93993384790).

111121321130 is a wasteful number, since it uses less digits than its factorization.

111121321130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758694.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 111121321130 its reverse (31123121111), we get a palindrome (142244442241).

The spelling of 111121321130 in words is "one hundred eleven billion, one hundred twenty-one million, three hundred twenty-one thousand, one hundred thirty".