1121101120 has 56 divisors (see below), whose sum is σ = 2673120384. Its totient is φ = 447853056.

The previous prime is 1121101063. The next prime is 1121101153. The reversal of 1121101120 is 211011211.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1121101097 and 1121101106.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 307629 + ... + 311251.

Almost surely, 2^1121101120 is an apocalyptic number.

1121101120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121101120 is an abundant number, since it is smaller than the sum of its proper divisors (1552019264).

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

1121101120 is an equidigital number, since it uses as much as digits as its factorization.

1121101120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4607 (or 4597 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 1121101120 is about 33482.8481464764. The cubic root of 1121101120 is about 1038.8390397989.

Adding to 1121101120 its reverse (211011211), we get a palindrome (1332112331).

It can be divided in two parts, 1 and 121101120, that added together give a palindrome (121101121).

The spelling of 1121101120 in words is "one billion, one hundred twenty-one million, one hundred one thousand, one hundred twenty".