111103043202 has 128 divisors (see below), whose sum is σ = 258288549120. Its totient is φ = 35367022080.

The previous prime is 111103043201. The next prime is 111103043237. The reversal of 111103043202 is 202340301111.

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

It is not an unprimeable number, because it can be changed into a prime (111103043201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 68878948 + ... + 68880560.

It is an arithmetic number, because the mean of its divisors is an integer number (2017879290).

Almost surely, 2^111103043202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111103043202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129144274560).

111103043202 is an abundant number, since it is smaller than the sum of its proper divisors (147185505918).

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

111103043202 is a wasteful number, since it uses less digits than its factorization.

111103043202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305 (or 2299 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 111103043202 its reverse (202340301111), we get a palindrome (313443344313).

The spelling of 111103043202 in words is "one hundred eleven billion, one hundred three million, forty-three thousand, two hundred two".