11201021000100 has 864 divisors, whose sum is σ = 37208292016896. Its totient is φ = 2815583846400.

The previous prime is 11201021000089. The next prime is 11201021000107. The reversal of 11201021000100 is 100012010211.

It is a happy number.

11201021000100 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 (9).

It is not an unprimeable number, because it can be changed into a prime (11201021000107) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 43583739172 + ... + 43583739428.

Almost surely, 2^{11201021000100} is an apocalyptic number.

11201021000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11201021000100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18604146008448).

11201021000100 is an abundant number, since it is smaller than the sum of its proper divisors (26007271016796).

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

11201021000100 is a wasteful number, since it uses less digits than its factorization.

11201021000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11201021000100 its reverse (100012010211), we get a palindrome (11301033010311).

The spelling of 11201021000100 in words is "eleven trillion, two hundred one billion, twenty-one million, one hundred", and thus it is an aban number.