111112002 has 12 divisors (see below), whose sum is σ = 240742710. Its totient is φ = 37037328.

The previous prime is 111111989. The next prime is 111112003. The reversal of 111112002 is 200211111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 105452361 + 5659641 = 10269^2 + 2379^2 .

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

It is not an unprimeable number, because it can be changed into a prime (111112003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3086427 + ... + 3086462.

Almost surely, 2^111112002 is an apocalyptic number.

111112002 is an abundant number, since it is smaller than the sum of its proper divisors (129630708).

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

111112002 is a wasteful number, since it uses less digits than its factorization.

111112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6172897 (or 6172894 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 111112002 is about 10540.9677923804. The cubic root of 111112002 is about 480.7511416498.

Adding to 111112002 its reverse (200211111), we get a palindrome (311323113).

It can be divided in two parts, 11111 and 2002, that multiplied together give a palindrome (22244222).

The spelling of 111112002 in words is "one hundred eleven million, one hundred twelve thousand, two".