1111100012 has 24 divisors (see below), whose sum is σ = 2232834240. Its totient is φ = 478463760.

The previous prime is 1111099981. The next prime is 1111100021. The reversal of 1111100012 is 2100011111.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 663698 + ... + 665369.

It is an arithmetic number, because the mean of its divisors is an integer number (93034760).

Almost surely, 2^1111100012 is an apocalyptic number.

It is an amenable number.

1111100012 is an abundant number, since it is smaller than the sum of its proper divisors (1121734228).

1111100012 is a wasteful number, since it uses less digits than its factorization.

1111100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329101 (or 1329099 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

The square root of 1111100012 is about 33333.1668462509. The cubic root of 1111100012 is about 1035.7407198879.

Adding to 1111100012 its reverse (2100011111), we get a palindrome (3211111123).

The spelling of 1111100012 in words is "one billion, one hundred eleven million, one hundred thousand, twelve".