1100111312 has 20 divisors (see below), whose sum is σ = 2181036000. Its totient is φ = 537263328.

The previous prime is 1100111279. The next prime is 1100111323. The reversal of 1100111312 is 2131110011.

It is a happy number.

It is a super-2 number, since 2×1100111312² = 2420489797580722688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1100111293 and 1100111302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 798812 + ... + 800187.

It is an arithmetic number, because the mean of its divisors is an integer number (109051800).

Almost surely, 2^1100111312 is an apocalyptic number.

It is an amenable number.

1100111312 is a deficient number, since it is larger than the sum of its proper divisors (1080924688).

1100111312 is a wasteful number, since it uses less digits than its factorization.

1100111312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599050 (or 1599044 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 1100111312 is about 33167.9259526429. The cubic root of 1100111312 is about 1032.3149340287.

Adding to 1100111312 its reverse (2131110011), we get a palindrome (3231221323).

The spelling of 1100111312 in words is "one billion, one hundred million, one hundred eleven thousand, three hundred twelve".