1121133100 has 18 divisors (see below), whose sum is σ = 2432859044. Its totient is φ = 448453200.

The previous prime is 1121133077. The next prime is 1121133103. The reversal of 1121133100 is 13311211.

It is a super-2 number, since 2×1121133100² = 2513878855831220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1121133103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5605566 + ... + 5605765.

Almost surely, 2^1121133100 is an apocalyptic number.

1121133100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121133100 is an abundant number, since it is smaller than the sum of its proper divisors (1311725944).

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

1121133100 is a wasteful number, since it uses less digits than its factorization.

1121133100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11211345 (or 11211338 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1121133100 is about 33483.3257010112. The cubic root of 1121133100 is about 1038.8489175153.

Adding to 1121133100 its reverse (13311211), we get a palindrome (1134444311).

The spelling of 1121133100 in words is "one billion, one hundred twenty-one million, one hundred thirty-three thousand, one hundred".