1011131112 has 32 divisors (see below), whose sum is σ = 2559830400. Its totient is φ = 332776704.

The previous prime is 1011131087. The next prime is 1011131137. The reversal of 1011131112 is 2111311101.

It is an interprime number because it is at equal distance from previous prime (1011131087) and next prime (1011131137).

It is a super-2 number, since 2×1011131112² = 2044772251308713088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

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 7 ways as a sum of consecutive naturals, for example, 264753 + ... + 268544.

It is an arithmetic number, because the mean of its divisors is an integer number (79994700).

Almost surely, 2^1011131112 is an apocalyptic number.

1011131112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1011131112 is an abundant number, since it is smaller than the sum of its proper divisors (1548699288).

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

1011131112 is a wasteful number, since it uses less digits than its factorization.

1011131112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533385 (or 533381 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 12.

The square root of 1011131112 is about 31798.2878784377. The cubic root of 1011131112 is about 1003.6966883231.

Adding to 1011131112 its reverse (2111311101), we get a palindrome (3122442213).

The spelling of 1011131112 in words is "one billion, eleven million, one hundred thirty-one thousand, one hundred twelve".