111421130 has 32 divisors (see below), whose sum is σ = 217935360. Its totient is φ = 40858560.

The previous prime is 111421091. The next prime is 111421139. The reversal of 111421130 is 31124111.

It is not an unprimeable number, because it can be changed into a prime (111421139) 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, 3569 + ... + 15348.

It is an arithmetic number, because the mean of its divisors is an integer number (6810480).

Almost surely, 2^111421130 is an apocalyptic number.

111421130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111421130 is a deficient number, since it is larger than the sum of its proper divisors (106514230).

111421130 is a wasteful number, since it uses less digits than its factorization.

111421130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18974.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 111421130 is about 10555.6207775763. The cubic root of 111421130 is about 481.1965661706.

Adding to 111421130 its reverse (31124111), we get a palindrome (142545241).

The spelling of 111421130 in words is "one hundred eleven million, four hundred twenty-one thousand, one hundred thirty".