11203100120 has 16 divisors (see below), whose sum is σ = 25206975360. Its totient is φ = 4481240032.

The previous prime is 11203100101. The next prime is 11203100123. The reversal of 11203100120 is 2100130211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11203100123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140038712 + ... + 140038791.

It is an arithmetic number, because the mean of its divisors is an integer number (1575435960).

Almost surely, 2^11203100120 is an apocalyptic number.

11203100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11203100120 is an abundant number, since it is smaller than the sum of its proper divisors (14003875240).

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

11203100120 is a wasteful number, since it uses less digits than its factorization.

11203100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280077514 (or 280077510 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 11203100120 its reverse (2100130211), we get a palindrome (13303230331).

The spelling of 11203100120 in words is "eleven billion, two hundred three million, one hundred thousand, one hundred twenty".