111434202 has 72 divisors (see below), whose sum is σ = 278160480. Its totient is φ = 31970160.

The previous prime is 111434189. The next prime is 111434231. The reversal of 111434202 is 202434111.

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

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 70699 + ... + 72257.

It is an arithmetic number, because the mean of its divisors is an integer number (3863340).

Almost surely, 2^111434202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111434202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139080240).

111434202 is an abundant number, since it is smaller than the sum of its proper divisors (166726278).

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

111434202 is a wasteful number, since it uses less digits than its factorization.

111434202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616 (or 1594 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 111434202 is about 10556.2399555902. The cubic root of 111434202 is about 481.2153835336.

Adding to 111434202 its reverse (202434111), we get a palindrome (313868313).

Subtracting 111434202 from its reverse (202434111), we obtain a palindrome (90999909).

The spelling of 111434202 in words is "one hundred eleven million, four hundred thirty-four thousand, two hundred two".