111111010010 has 384 divisors, whose sum is σ = 278741578752. Its totient is φ = 31021056000.

The previous prime is 111111009991. The next prime is 111111010033. The reversal of 111111010010 is 10010111111.

It is a self number, because there is not a number n which added to its sum of digits gives 111111010010.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1078747619 + ... + 1078747721.

It is an arithmetic number, because the mean of its divisors is an integer number (725889528).

Almost surely, 2^111111010010 is an apocalyptic number.

111111010010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111111010010 is an abundant number, since it is smaller than the sum of its proper divisors (167630568742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111111010010 is a wasteful number, since it uses less digits than its factorization.

111111010010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350 (or 339 counting only the distinct ones).

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

Adding to 111111010010 its reverse (10010111111), we get a palindrome (121121121121).

The spelling of 111111010010 in words is "one hundred eleven billion, one hundred eleven million, ten thousand, ten".