11222101021100 has 144 divisors (see below), whose sum is σ = 25669717032960. Its totient is φ = 4249938528000.

The previous prime is 11222101021099. The next prime is 11222101021189. The reversal of 11222101021100 is 112010122211.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1594271381 + ... + 1594278419.

It is an arithmetic number, because the mean of its divisors is an integer number (178261923840).

Almost surely, 2^{11222101021100} is an apocalyptic number.

11222101021100 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 11222101021100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12834858516480).

11222101021100 is an abundant number, since it is smaller than the sum of its proper divisors (14447616011860).

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

11222101021100 is a wasteful number, since it uses less digits than its factorization.

11222101021100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14040 (or 14033 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11222101021100 its reverse (112010122211), we get a palindrome (11334111143311).

The spelling of 11222101021100 in words is "eleven trillion, two hundred twenty-two billion, one hundred one million, twenty-one thousand, one hundred".