111000100012002 has 24 divisors (see below), whose sum is σ = 240506934283980. Its totient is φ = 36998999861760.

The previous prime is 111000100012001. The next prime is 111000100012013. The reversal of 111000100012002 is 200210001000111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 109938559255281 + 1061540756721 = 10485159^2 + 1030311^2 .

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 (111000100012001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85460499 + ... + 86749622.

Almost surely, 2^{111000100012002} is an apocalyptic number.

111000100012002 is an abundant number, since it is smaller than the sum of its proper divisors (129506834271978).

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

111000100012002 is a wasteful number, since it uses less digits than its factorization.

111000100012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172245938 (or 172245935 counting only the distinct ones).

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

Adding to 111000100012002 its reverse (200210001000111), we get a palindrome (311210101012113).

The spelling of 111000100012002 in words is "one hundred eleven trillion, one hundred million, twelve thousand, two".