111420112 has 20 divisors (see below), whose sum is σ = 216125056. Its totient is φ = 55645920.

The previous prime is 111420109. The next prime is 111420137. The reversal of 111420112 is 211024111.

It is a junction number, because it is equal to n+sod(n) for n = 111420092 and 111420101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12343 + ... + 19369.

Almost surely, 2^111420112 is an apocalyptic number.

It is an amenable number.

111420112 is a deficient number, since it is larger than the sum of its proper divisors (104704944).

111420112 is an equidigital number, since it uses as much as digits as its factorization.

111420112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8026 (or 8020 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 111420112 is about 10555.5725567115. The cubic root of 111420112 is about 481.1951006808.

Adding to 111420112 its reverse (211024111), we get a palindrome (322444223).

The spelling of 111420112 in words is "one hundred eleven million, four hundred twenty thousand, one hundred twelve".