11001222000100 has 72 divisors (see below), whose sum is σ = 24156956230848. Its totient is φ = 4348255728000.

The previous prime is 11001222000061. The next prime is 11001222000193. The reversal of 11001222000100 is 100022210011.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3997567 + ... + 6163033.

It is an arithmetic number, because the mean of its divisors is an integer number (335513280984).

Almost surely, 2^{11001222000100} is an apocalyptic number.

11001222000100 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 11001222000100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12078478115424).

11001222000100 is an abundant number, since it is smaller than the sum of its proper divisors (13155734230748).

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

11001222000100 is a wasteful number, since it uses less digits than its factorization.

11001222000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166085 (or 2166078 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11001222000100 its reverse (100022210011), we get a palindrome (11101244210111).

The spelling of 11001222000100 in words is "eleven trillion, one billion, two hundred twenty-two million, one hundred", and thus it is an aban number.