111220130 has 16 divisors (see below), whose sum is σ = 228795840. Its totient is φ = 38132592.

The previous prime is 111220127. The next prime is 111220147. The reversal of 111220130 is 31022111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 794360 + ... + 794499.

It is an arithmetic number, because the mean of its divisors is an integer number (14299740).

Almost surely, 2^111220130 is an apocalyptic number.

111220130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111220130 is an abundant number, since it is smaller than the sum of its proper divisors (117575710).

111220130 is a wasteful number, since it uses less digits than its factorization.

111220130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588873.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 111220130 is about 10546.0954860081. The cubic root of 111220130 is about 480.9070378189.

Adding to 111220130 its reverse (31022111), we get a palindrome (142242241).

The spelling of 111220130 in words is "one hundred eleven million, two hundred twenty thousand, one hundred thirty".