2201100122205 has 48 divisors (see below), whose sum is σ = 3977626663296. Its totient is φ = 1124985214080.

The previous prime is 2201100122201. The next prime is 2201100122233. The reversal of 2201100122205 is 5022210011022.

It is not a de Polignac number, because 2201100122205 - 2² = 2201100122201 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201100122201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10628761 + ... + 10833870.

It is an arithmetic number, because the mean of its divisors is an integer number (82867222152).

Almost surely, 2^{2201100122205} is an apocalyptic number.

It is an amenable number.

2201100122205 is a deficient number, since it is larger than the sum of its proper divisors (1776526541091).

2201100122205 is a wasteful number, since it uses less digits than its factorization.

2201100122205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21462738 (or 21462735 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 2201100122205 its reverse (5022210011022), we get a palindrome (7223310133227).

The spelling of 2201100122205 in words is "two trillion, two hundred one billion, one hundred million, one hundred twenty-two thousand, two hundred five".