111002100112 has 40 divisors (see below), whose sum is σ = 218433396600. Its totient is φ = 54637642752.

The previous prime is 111002100073. The next prime is 111002100149. The reversal of 111002100112 is 211001200111.

It can be written as a sum of positive squares in 4 ways, for example, as 1337803776 + 109664296336 = 36576^2 + 331156^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155898 + ... + 496294.

It is an arithmetic number, because the mean of its divisors is an integer number (5460834915).

Almost surely, 2^111002100112 is an apocalyptic number.

It is an amenable number.

111002100112 is a deficient number, since it is larger than the sum of its proper divisors (107431296488).

111002100112 is a wasteful number, since it uses less digits than its factorization.

111002100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340723 (or 340717 counting only the distinct ones).

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

Adding to 111002100112 its reverse (211001200111), we get a palindrome (322003300223).

Subtracting 111002100112 from its reverse (211001200111), we obtain a palindrome (99999099999).

The spelling of 111002100112 in words is "one hundred eleven billion, two million, one hundred thousand, one hundred twelve".