11215001100 has 36 divisors (see below), whose sum is σ = 32448737384. Its totient is φ = 2990666880.

The previous prime is 11215001087. The next prime is 11215001101. The reversal of 11215001100 is 110051211.

11215001100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (11215001101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18691369 + ... + 18691968.

Almost surely, 2^11215001100 is an apocalyptic number.

11215001100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11215001100 is an abundant number, since it is smaller than the sum of its proper divisors (21233736284).

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

11215001100 is a wasteful number, since it uses less digits than its factorization.

11215001100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37383354 (or 37383347 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 12.

Adding to 11215001100 its reverse (110051211), we get a palindrome (11325052311).

The spelling of 11215001100 in words is "eleven billion, two hundred fifteen million, one thousand, one hundred".