2222130312221 has 16 divisors (see below), whose sum is σ = 2374138176960. Its totient is φ = 2073631570560.

The previous prime is 2222130312197. The next prime is 2222130312247. The reversal of 2222130312221 is 1222130312222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2222130312221 - 2¹⁰ = 2222130311197 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 (2222130311221) by changing a digit.

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, 26590715 + ... + 26674151.

It is an arithmetic number, because the mean of its divisors is an integer number (148383636060).

Almost surely, 2^{2222130312221} is an apocalyptic number.

It is an amenable number.

2222130312221 is a deficient number, since it is larger than the sum of its proper divisors (152007864739).

2222130312221 is a wasteful number, since it uses less digits than its factorization.

2222130312221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104444.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2222130312221 its reverse (1222130312222), we get a palindrome (3444260624443).

Subtracting from 2222130312221 its reverse (1222130312222), we obtain a palindrome (999999999999).

The spelling of 2222130312221 in words is "two trillion, two hundred twenty-two billion, one hundred thirty million, three hundred twelve thousand, two hundred twenty-one".