111242030 has 32 divisors (see below), whose sum is σ = 209611584. Its totient is φ = 42425856.

The previous prime is 111242011. The next prime is 111242039. The reversal of 111242030 is 30242111.

It is a junction number, because it is equal to n+sod(n) for n = 111241996 and 111242014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111242039) 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, 99032 + ... + 100148.

It is an arithmetic number, because the mean of its divisors is an integer number (6550362).

Almost surely, 2^111242030 is an apocalyptic number.

111242030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111242030 is a deficient number, since it is larger than the sum of its proper divisors (98369554).

111242030 is a wasteful number, since it uses less digits than its factorization.

111242030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 111242030 is about 10547.1337338634. The cubic root of 111242030 is about 480.9386003695.

Adding to 111242030 its reverse (30242111), we get a palindrome (141484141).

The spelling of 111242030 in words is "one hundred eleven million, two hundred forty-two thousand, thirty".