1100201120 has 24 divisors (see below), whose sum is σ = 2599225524. Its totient is φ = 440080384.

The previous prime is 1100201117. The next prime is 1100201147. The reversal of 1100201120 is 211020011.

It can be written as a sum of positive squares in 2 ways, for example, as 1017099664 + 83101456 = 31892^2 + 9116^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 1100201098 and 1100201107.

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 3 ways as a sum of consecutive naturals, for example, 3437969 + ... + 3438288.

Almost surely, 2^1100201120 is an apocalyptic number.

1100201120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100201120 is an abundant number, since it is smaller than the sum of its proper divisors (1499024404).

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

1100201120 is an equidigital number, since it uses as much as digits as its factorization.

1100201120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6876272 (or 6876264 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1100201120 is about 33169.2797630579. The cubic root of 1100201120 is about 1032.3430244034.

Adding to 1100201120 its reverse (211020011), we get a palindrome (1311221131).

The spelling of 1100201120 in words is "one billion, one hundred million, two hundred one thousand, one hundred twenty".