2211221002322 has 32 divisors (see below), whose sum is σ = 3517429996080. Its totient is φ = 1038948433920.

The previous prime is 2211221002301. The next prime is 2211221002337. The reversal of 2211221002322 is 2232001221122.

It can be written as a sum of positive squares in 8 ways, for example, as 1555734838681 + 655486163641 = 1247291^2 + 809621^2 .

It is a super-2 number, since 2×2211221002322² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2211221002294 and 2211221002303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127505372 + ... + 127522712.

Almost surely, 2^{2211221002322} is an apocalyptic number.

2211221002322 is a deficient number, since it is larger than the sum of its proper divisors (1306208993758).

2211221002322 is a wasteful number, since it uses less digits than its factorization.

2211221002322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23006.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2211221002322 its reverse (2232001221122), we get a palindrome (4443222223444).

The spelling of 2211221002322 in words is "two trillion, two hundred eleven billion, two hundred twenty-one million, two thousand, three hundred twenty-two".