11101100122220 has 12 divisors (see below), whose sum is σ = 23312310256704. Its totient is φ = 4440440048880.

The previous prime is 11101100122213. The next prime is 11101100122243. The reversal of 11101100122220 is 2222100110111.

It is a junction number, because it is equal to n+sod(n) for n = 11101100122195 and 11101100122204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277527503036 + ... + 277527503075.

It is an arithmetic number, because the mean of its divisors is an integer number (1942692521392).

Almost surely, 2^{11101100122220} is an apocalyptic number.

11101100122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101100122220 is an abundant number, since it is smaller than the sum of its proper divisors (12211210134484).

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

11101100122220 is a wasteful number, since it uses less digits than its factorization.

11101100122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555055006120 (or 555055006118 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11101100122220 its reverse (2222100110111), we get a palindrome (13323200232331).

The spelling of 11101100122220 in words is "eleven trillion, one hundred one billion, one hundred million, one hundred twenty-two thousand, two hundred twenty".