11011200011220 has 48 divisors (see below), whose sum is σ = 30831970333248. Its totient is φ = 2936261879040.

The previous prime is 11011200011197. The next prime is 11011200011261. The reversal of 11011200011220 is 2211000211011.

11011200011220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11011200011196 and 11011200011205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1283707 + ... + 4865213.

It is an arithmetic number, because the mean of its divisors is an integer number (642332715276).

Almost surely, 2^{11011200011220} is an apocalyptic number.

11011200011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11011200011220 is an abundant number, since it is smaller than the sum of its proper divisors (19820770322028).

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

11011200011220 is a wasteful number, since it uses less digits than its factorization.

11011200011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3632760 (or 3632758 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11011200011220 its reverse (2211000211011), we get a palindrome (13222200222231).

The spelling of 11011200011220 in words is "eleven trillion, eleven billion, two hundred million, eleven thousand, two hundred twenty".