111200111002 has 16 divisors (see below), whose sum is σ = 167226733800. Its totient is φ = 55458044928.

The previous prime is 111200110993. The next prime is 111200111047. The reversal of 111200111002 is 200111002111.

It can be written as a sum of positive squares in 4 ways, for example, as 95529828241 + 15670282761 = 309079^2 + 125181^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111200111002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1224874 + ... + 1312522.

Almost surely, 2^111200111002 is an apocalyptic number.

111200111002 is a deficient number, since it is larger than the sum of its proper divisors (56026622798).

111200111002 is an equidigital number, since it uses as much as digits as its factorization.

111200111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89265.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111200111002 its reverse (200111002111), we get a palindrome (311311113113).

It can be divided in two parts, 111 and 200111002, that multiplied together give a palindrome (22212321222).

The spelling of 111200111002 in words is "one hundred eleven billion, two hundred million, one hundred eleven thousand, two".