1011091112 has 16 divisors (see below), whose sum is σ = 1896566400. Its totient is φ = 505340080.

The previous prime is 1011091097. The next prime is 1011091127. The reversal of 1011091112 is 2111901101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1011091097) and next prime (1011091127).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3662 + ... + 45117.

It is an arithmetic number, because the mean of its divisors is an integer number (118535400).

Almost surely, 2^1011091112 is an apocalyptic number.

It is an amenable number.

1011091112 is a deficient number, since it is larger than the sum of its proper divisors (885475288).

1011091112 is a wasteful number, since it uses less digits than its factorization.

1011091112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51376 (or 51372 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 17.

The square root of 1011091112 is about 31797.6589075359. The cubic root of 1011091112 is about 1003.6834528496.

Adding to 1011091112 its reverse (2111901101), we get a palindrome (3122992213).

The spelling of 1011091112 in words is "one billion, eleven million, ninety-one thousand, one hundred twelve".