11101220012200 has 24 divisors (see below), whose sum is σ = 25810336528830. Its totient is φ = 4440488004800.

The previous prime is 11101220012173. The next prime is 11101220012209. The reversal of 11101220012200 is 221002210111.

It can be written as a sum of positive squares in 3 ways, for example, as 10799465352516 + 301754659684 = 3286254^2 + 549322^2 .

It is not an unprimeable number, because it can be changed into a prime (11101220012209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27753049831 + ... + 27753050230.

Almost surely, 2^{11101220012200} is an apocalyptic number.

11101220012200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101220012200 is an abundant number, since it is smaller than the sum of its proper divisors (14709116516630).

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

11101220012200 is a wasteful number, since it uses less digits than its factorization.

11101220012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55506100077 (or 55506100068 counting only the distinct ones).

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

Adding to 11101220012200 its reverse (221002210111), we get a palindrome (11322222222311).

The spelling of 11101220012200 in words is "eleven trillion, one hundred one billion, two hundred twenty million, twelve thousand, two hundred".