2212201102221 has 24 divisors (see below), whose sum is σ = 3669360683040. Its totient is φ = 1270163311200.

The previous prime is 2212201102207. The next prime is 2212201102271. The reversal of 2212201102221 is 1222011022122.

It is a happy number.

2212201102221 is a `hidden beast` number, since 221 + 220 + 1 + 1 + 0 + 2 + 221 = 666.

2212201102221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2212201102221 - 2⁶ = 2212201102157 is a prime.

It is a super-2 number, since 2×2212201102221² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2212201102194 and 2212201102203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212201102201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 588036690 + ... + 588040451.

It is an arithmetic number, because the mean of its divisors is an integer number (152890028460).

Almost surely, 2^{2212201102221} is an apocalyptic number.

It is an amenable number.

2212201102221 is a deficient number, since it is larger than the sum of its proper divisors (1457159580819).

2212201102221 is a wasteful number, since it uses less digits than its factorization.

2212201102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176077177 (or 1176077174 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2212201102221 its reverse (1222011022122), we get a palindrome (3434212124343).

The spelling of 2212201102221 in words is "two trillion, two hundred twelve billion, two hundred one million, one hundred two thousand, two hundred twenty-one".