111113100 has 144 divisors (see below), whose sum is σ = 408307200. Its totient is φ = 25392960.

The previous prime is 111113099. The next prime is 111113111. The reversal of 111113100 is 1311111.

It is a super-2 number, since 2×111113100² = 24692241983220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15961 + ... + 21839.

Almost surely, 2^111113100 is an apocalyptic number.

111113100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111113100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204153600).

111113100 is an abundant number, since it is smaller than the sum of its proper divisors (297194100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111113100 is a wasteful number, since it uses less digits than its factorization.

111113100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5909 (or 5896 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 9.

The square root of 111113100 is about 10541.0198747560. The cubic root of 111113100 is about 480.7527252262.

Adding to 111113100 its reverse (1311111), we get a palindrome (112424211).

It can be divided in two parts, 11 and 1113100, that added together give a palindrome (1113111).

The spelling of 111113100 in words is "one hundred eleven million, one hundred thirteen thousand, one hundred".