2212044050221 has 2 divisors, whose sum is σ = 2212044050222. Its totient is φ = 2212044050220.

The previous prime is 2212044050219. The next prime is 2212044050239. The reversal of 2212044050221 is 1220504402122.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1692002592900 + 520041457321 = 1300770^2 + 721139^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212044050221 - 2¹ = 2212044050219 is a prime.

Together with 2212044050219, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2212044050521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106022025110 + 1106022025111.

It is an arithmetic number, because the mean of its divisors is an integer number (1106022025111).

Almost surely, 2^{2212044050221} is an apocalyptic number.

It is an amenable number.

2212044050221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212044050221 is an equidigital number, since it uses as much as digits as its factorization.

2212044050221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 2212044050221 its reverse (1220504402122), we get a palindrome (3432548452343).

The spelling of 2212044050221 in words is "two trillion, two hundred twelve billion, forty-four million, fifty thousand, two hundred twenty-one".