111111100010 has 32 divisors (see below), whose sum is σ = 206528762880. Its totient is φ = 43012565568.

The previous prime is 111111100007. The next prime is 111111100021. The reversal of 111111100010 is 10001111111.

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 15 ways as a sum of consecutive naturals, for example, 1138442 + ... + 1232181.

It is an arithmetic number, because the mean of its divisors is an integer number (6454023840).

Almost surely, 2^111111100010 is an apocalyptic number.

111111100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111111100010 is a deficient number, since it is larger than the sum of its proper divisors (95417662870).

111111100010 is a wasteful number, since it uses less digits than its factorization.

111111100010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370782.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 111111100010 its reverse (10001111111), we get a palindrome (121112211121).

The spelling of 111111100010 in words is "one hundred eleven billion, one hundred eleven million, one hundred thousand, ten".