1121130100 has 36 divisors (see below), whose sum is σ = 2440274368. Its totient is φ = 447084000.

The previous prime is 1121130083. The next prime is 1121130103. The reversal of 1121130100 is 10311211.

It is a super-2 number, since 2×1121130100² = 2513865402252020000, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121130103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16165 + ... + 50035.

Almost surely, 2^1121130100 is an apocalyptic number.

1121130100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121130100 is an abundant number, since it is smaller than the sum of its proper divisors (1319144268).

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

1121130100 is a wasteful number, since it uses less digits than its factorization.

1121130100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34216 (or 34209 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1121130100 is about 33483.2809025639. The cubic root of 1121130100 is about 1038.8479909082.

Adding to 1121130100 its reverse (10311211), we get a palindrome (1131441311).

The spelling of 1121130100 in words is "one billion, one hundred twenty-one million, one hundred thirty thousand, one hundred".