11220012222100 has 108 divisors (see below), whose sum is σ = 27137982745440. Its totient is φ = 3993194974400.

The previous prime is 11220012222079. The next prime is 11220012222113. The reversal of 11220012222100 is 122221002211.

It is a happy number.

11220012222100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 121161 + ... + 4738639.

Almost surely, 2^{11220012222100} is an apocalyptic number.

11220012222100 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 11220012222100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13568991372720).

11220012222100 is an abundant number, since it is smaller than the sum of its proper divisors (15917970523340).

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

11220012222100 is a wasteful number, since it uses less digits than its factorization.

11220012222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4617598 (or 4617544 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11220012222100 its reverse (122221002211), we get a palindrome (11342233224311).

The spelling of 11220012222100 in words is "eleven trillion, two hundred twenty billion, twelve million, two hundred twenty-two thousand, one hundred".