4320222132121 has 16 divisors (see below), whose sum is σ = 4959258056704. Its totient is φ = 3686674861584.

The previous prime is 4320222132113. The next prime is 4320222132131. The reversal of 4320222132121 is 1212312220234.

It is a cyclic number.

It is not a de Polignac number, because 4320222132121 - 2³ = 4320222132113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4320222132131) 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, 1253680 + ... + 3195646.

It is an arithmetic number, because the mean of its divisors is an integer number (309953628544).

Almost surely, 2^{4320222132121} is an apocalyptic number.

It is an amenable number.

4320222132121 is a deficient number, since it is larger than the sum of its proper divisors (639035924583).

4320222132121 is a wasteful number, since it uses less digits than its factorization.

4320222132121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943380.

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

Adding to 4320222132121 its reverse (1212312220234), we get a palindrome (5532534352355).

The spelling of 4320222132121 in words is "four trillion, three hundred twenty billion, two hundred twenty-two million, one hundred thirty-two thousand, one hundred twenty-one".