1131101120 has 56 divisors (see below), whose sum is σ = 2851885584. Its totient is φ = 425824256.

The previous prime is 1131101119. The next prime is 1131101177. The reversal of 1131101120 is 211011311.

It is a happy number.

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, 98522 + ... + 109401.

Almost surely, 2^1131101120 is an apocalyptic number.

1131101120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131101120 is an abundant number, since it is smaller than the sum of its proper divisors (1720784464).

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

1131101120 is a wasteful number, since it uses less digits than its factorization.

1131101120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207957 (or 207947 counting only the distinct ones).

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

The square root of 1131101120 is about 33631.8468122106. The cubic root of 1131101120 is about 1041.9186475489.

Adding to 1131101120 its reverse (211011311), we get a palindrome (1342112431).

The spelling of 1131101120 in words is "one billion, one hundred thirty-one million, one hundred one thousand, one hundred twenty".