2322211322221 has 16 divisors (see below), whose sum is σ = 2810112289920. Its totient is φ = 1873352931840.

The previous prime is 2322211322141. The next prime is 2322211322257. The reversal of 2322211322221 is 1222231122232.

It is a cyclic number.

It is not a de Polignac number, because 2322211322221 - 2¹¹ = 2322211320173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2322211326221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12921145 + ... + 13099633.

It is an arithmetic number, because the mean of its divisors is an integer number (175632018120).

Almost surely, 2^{2322211322221} is an apocalyptic number.

It is an amenable number.

2322211322221 is a deficient number, since it is larger than the sum of its proper divisors (487900967699).

2322211322221 is a wasteful number, since it uses less digits than its factorization.

2322211322221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287844.

The product of its digits is 2304, while the sum is 25.

Adding to 2322211322221 its reverse (1222231122232), we get a palindrome (3544442444453).

The spelling of 2322211322221 in words is "two trillion, three hundred twenty-two billion, two hundred eleven million, three hundred twenty-two thousand, two hundred twenty-one".