1101120100 has 18 divisors (see below), whose sum is σ = 2389430834. Its totient is φ = 440448000.

The previous prime is 1101120047. The next prime is 1101120131. The reversal of 1101120100 is 10211011.

It can be written as a sum of positive squares in 3 ways, for example, as 1401856 + 1099718244 = 1184^2 + 33162^2 .

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 5 ways as a sum of consecutive naturals, for example, 5505501 + ... + 5505700.

Almost surely, 2^1101120100 is an apocalyptic number.

1101120100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101120100 is an abundant number, since it is smaller than the sum of its proper divisors (1288310734).

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

1101120100 is a wasteful number, since it uses less digits than its factorization.

1101120100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11011215 (or 11011208 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 1101120100 is about 33183.1297499196. The cubic root of 1101120100 is about 1032.6303774920.

Adding to 1101120100 its reverse (10211011), we get a palindrome (1111331111).

The spelling of 1101120100 in words is "one billion, one hundred one million, one hundred twenty thousand, one hundred".