11100020000220 has 192 divisors, whose sum is σ = 34647955292160. Its totient is φ = 2950193435904.

The previous prime is 11100020000197. The next prime is 11100020000309. The reversal of 11100020000220 is 2200002000111.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 479119077 + ... + 479142243.

It is an arithmetic number, because the mean of its divisors is an integer number (180458100480).

Almost surely, 2^{11100020000220} is an apocalyptic number.

11100020000220 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 11100020000220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17323977646080).

11100020000220 is an abundant number, since it is smaller than the sum of its proper divisors (23547935291940).

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

11100020000220 is a wasteful number, since it uses less digits than its factorization.

11100020000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26089 (or 26081 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 11100020000220 its reverse (2200002000111), we get a palindrome (13300022000331).

The spelling of 11100020000220 in words is "eleven trillion, one hundred billion, twenty million, two hundred twenty", and thus it is an aban number.