111121110002 has 16 divisors (see below), whose sum is σ = 190549588992. Its totient is φ = 47609268480.

The previous prime is 111121109999. The next prime is 111121110019. The reversal of 111121110002 is 200011121111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1122863 + ... + 1217810.

It is an arithmetic number, because the mean of its divisors is an integer number (11909349312).

Almost surely, 2^111121110002 is an apocalyptic number.

111121110002 is a deficient number, since it is larger than the sum of its proper divisors (79428478990).

111121110002 is a wasteful number, since it uses less digits than its factorization.

111121110002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2344073.

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

Adding to 111121110002 its reverse (200011121111), we get a palindrome (311132231113).

The spelling of 111121110002 in words is "one hundred eleven billion, one hundred twenty-one million, one hundred ten thousand, two".