2212010202221 has 8 divisors (see below), whose sum is σ = 2224374234264. Its totient is φ = 2199647741760.

The previous prime is 2212010202217. The next prime is 2212010202239. The reversal of 2212010202221 is 1222020102122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 807951097321 + 1404059104900 = 898861^2 + 1184930^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2212010202221 - 2² = 2212010202217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2212010202221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212010202121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2488871 + ... + 3258603.

It is an arithmetic number, because the mean of its divisors is an integer number (278046779283).

Almost surely, 2^{2212010202221} is an apocalyptic number.

It is an amenable number.

2212010202221 is a deficient number, since it is larger than the sum of its proper divisors (12364032043).

2212010202221 is a wasteful number, since it uses less digits than its factorization.

2212010202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785791.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2212010202221 its reverse (1222020102122), we get a palindrome (3434030304343).

The spelling of 2212010202221 in words is "two trillion, two hundred twelve billion, ten million, two hundred two thousand, two hundred twenty-one".