12222210002221 has 32 divisors (see below), whose sum is σ = 12814961394816. Its totient is φ = 11646737280000.

The previous prime is 12222210002207. The next prime is 12222210002227. The reversal of 12222210002221 is 12220001222221.

It is a cyclic number.

It is not a de Polignac number, because 12222210002221 - 2⁹ = 12222210001709 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 (12222210002227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1297332091 + ... + 1297341511.

It is an arithmetic number, because the mean of its divisors is an integer number (400467543588).

Almost surely, 2^{12222210002221} is an apocalyptic number.

It is an amenable number.

12222210002221 is a deficient number, since it is larger than the sum of its proper divisors (592751392595).

12222210002221 is a wasteful number, since it uses less digits than its factorization.

12222210002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13693.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12222210002221 its reverse (12220001222221), we get a palindrome (24442211224442).

The spelling of 12222210002221 in words is "twelve trillion, two hundred twenty-two billion, two hundred ten million, two thousand, two hundred twenty-one".