11200111002220 has 96 divisors (see below), whose sum is σ = 26988096844800. Its totient is φ = 3824642098944.

The previous prime is 11200111002193. The next prime is 11200111002253. The reversal of 11200111002220 is 2220011100211.

11200111002220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11200111002220.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133990159 + ... + 134073721.

It is an arithmetic number, because the mean of its divisors is an integer number (281126008800).

Almost surely, 2^{11200111002220} is an apocalyptic number.

11200111002220 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 11200111002220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13494048422400).

11200111002220 is an abundant number, since it is smaller than the sum of its proper divisors (15787985842580).

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

11200111002220 is a wasteful number, since it uses less digits than its factorization.

11200111002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87407 (or 87405 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11200111002220 its reverse (2220011100211), we get a palindrome (13420122102431).

The spelling of 11200111002220 in words is "eleven trillion, two hundred billion, one hundred eleven million, two thousand, two hundred twenty".