111321130 has 8 divisors (see below), whose sum is σ = 200378052. Its totient is φ = 44528448.

The previous prime is 111321121. The next prime is 111321137. The reversal of 111321130 is 31123111.

It can be written as a sum of positive squares in 2 ways, for example, as 108555561 + 2765569 = 10419^2 + 1663^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 111321130.

It is not an unprimeable number, because it can be changed into a prime (111321137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5566047 + ... + 5566066.

Almost surely, 2^111321130 is an apocalyptic number.

111321130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111321130 is a deficient number, since it is larger than the sum of its proper divisors (89056922).

111321130 is a wasteful number, since it uses less digits than its factorization.

111321130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11132120.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 111321130 is about 10550.8829014448. The cubic root of 111321130 is about 481.0525657776.

Adding to 111321130 its reverse (31123111), we get a palindrome (142444241).

The spelling of 111321130 in words is "one hundred eleven million, three hundred twenty-one thousand, one hundred thirty".