1131100112 has 40 divisors (see below), whose sum is σ = 2215572480. Its totient is φ = 559370240.

The previous prime is 1131100093. The next prime is 1131100121. The reversal of 1131100112 is 2110011311.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1131100093 and 1131100102.

It is a congruent 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, 802064 + ... + 803472.

It is an arithmetic number, because the mean of its divisors is an integer number (55389312).

Almost surely, 2^1131100112 is an apocalyptic number.

It is an amenable number.

1131100112 is a deficient number, since it is larger than the sum of its proper divisors (1084472368).

1131100112 is a wasteful number, since it uses less digits than its factorization.

1131100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931 (or 1925 counting only the distinct ones).

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

The square root of 1131100112 is about 33631.8318264111. The cubic root of 1131100112 is about 1041.9183380410.

Adding to 1131100112 its reverse (2110011311), we get a palindrome (3241111423).

The spelling of 1131100112 in words is "one billion, one hundred thirty-one million, one hundred thousand, one hundred twelve".