1121101100 has 36 divisors (see below), whose sum is σ = 2780332464. Its totient is φ = 384377280.

The previous prime is 1121101063. The next prime is 1121101153. The reversal of 1121101100 is 11011211.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 800087 + ... + 801486.

Almost surely, 2^1121101100 is an apocalyptic number.

1121101100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121101100 is an abundant number, since it is smaller than the sum of its proper divisors (1659231364).

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

1121101100 is a wasteful number, since it uses less digits than its factorization.

1121101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601594 (or 1601587 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

The square root of 1121101100 is about 33482.8478478161. The cubic root of 1121101100 is about 1038.8390336214.

Adding to 1121101100 its reverse (11011211), we get a palindrome (1132112311).

The spelling of 1121101100 in words is "one billion, one hundred twenty-one million, one hundred one thousand, one hundred".