2211223201321 has 16 divisors (see below), whose sum is σ = 2276063290368. Its totient is φ = 2147325642000.

The previous prime is 2211223201309. The next prime is 2211223201339. The reversal of 2211223201321 is 1231023221122.

It is a cyclic number.

It is not a de Polignac number, because 2211223201321 - 2²³ = 2211214812713 is a prime.

It is a super-2 number, since 2×2211223201321² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2211223201292 and 2211223201301.

It is not an unprimeable number, because it can be changed into a prime (2211223201921) 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, 68974746 + ... + 69006796.

It is an arithmetic number, because the mean of its divisors is an integer number (142253955648).

Almost surely, 2^{2211223201321} is an apocalyptic number.

It is an amenable number.

2211223201321 is a deficient number, since it is larger than the sum of its proper divisors (64840089047).

2211223201321 is a wasteful number, since it uses less digits than its factorization.

2211223201321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46692.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2211223201321 its reverse (1231023221122), we get a palindrome (3442246422443).

The spelling of 2211223201321 in words is "two trillion, two hundred eleven billion, two hundred twenty-three million, two hundred one thousand, three hundred twenty-one".