11201002100 has 18 divisors (see below), whose sum is σ = 24306174774. Its totient is φ = 4480400800.

The previous prime is 11201002091. The next prime is 11201002129. The reversal of 11201002100 is 120010211.

It can be written as a sum of positive squares in 3 ways, for example, as 60621796 + 11140380304 = 7786^2 + 105548^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56004911 + ... + 56005110.

It is an arithmetic number, because the mean of its divisors is an integer number (1350343043).

Almost surely, 2^11201002100 is an apocalyptic number.

11201002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11201002100 is an abundant number, since it is smaller than the sum of its proper divisors (13105172674).

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

11201002100 is a wasteful number, since it uses less digits than its factorization.

11201002100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112010035 (or 112010028 counting only the distinct ones).

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

Adding to 11201002100 its reverse (120010211), we get a palindrome (11321012311).

The spelling of 11201002100 in words is "eleven billion, two hundred one million, two thousand, one hundred".