111002100111002 has 4 divisors (see below), whose sum is σ = 166503150166506. Its totient is φ = 55501050055500.

The previous prime is 111002100110963. The next prime is 111002100111037. The reversal of 111002100111002 is 200111001200111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 66056727645841 + 44945372465161 = 8127529^2 + 6704131^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27750525027749 + ... + 27750525027752.

Almost surely, 2^{111002100111002} is an apocalyptic number.

111002100111002 is a deficient number, since it is larger than the sum of its proper divisors (55501050055504).

111002100111002 is an equidigital number, since it uses as much as digits as its factorization.

111002100111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55501050055503.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111002100111002 its reverse (200111001200111), we get a palindrome (311113101311113).

The spelling of 111002100111002 in words is "one hundred eleven trillion, two billion, one hundred million, one hundred eleven thousand, two".