111622104 has 128 divisors (see below), whose sum is σ = 342144000. Its totient is φ = 33436800.

The previous prime is 111622099. The next prime is 111622117. The reversal of 111622104 is 401226111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258769 + ... + 259199.

It is an arithmetic number, because the mean of its divisors is an integer number (2673000).

Almost surely, 2^111622104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111622104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171072000).

111622104 is an abundant number, since it is smaller than the sum of its proper divisors (230521896).

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

111622104 is a wasteful number, since it uses less digits than its factorization.

111622104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 111622104 is about 10565.1362508962. The cubic root of 111622104 is about 481.4857091478.

Adding to 111622104 its reverse (401226111), we get a palindrome (512848215).

It can be divided in two parts, 1116 and 22104, that added together give a triangular number (23220 = T₂₁₅).

The spelling of 111622104 in words is "one hundred eleven million, six hundred twenty-two thousand, one hundred four".