222213213003121 has 4 divisors (see below), whose sum is σ = 229381381164544. Its totient is φ = 215045044841700.

The previous prime is 222213213002983. The next prime is 222213213003127. The reversal of 222213213003121 is 121300312312222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222213213003121 - 2⁴³ = 213417119980913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222213213003127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3584084080665 + ... + 3584084080726.

It is an arithmetic number, because the mean of its divisors is an integer number (57345345291136).

Almost surely, 2^{222213213003121} is an apocalyptic number.

It is an amenable number.

222213213003121 is a deficient number, since it is larger than the sum of its proper divisors (7168168161423).

222213213003121 is an equidigital number, since it uses as much as digits as its factorization.

222213213003121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7168168161422.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 222213213003121 its reverse (121300312312222), we get a palindrome (343513525315343).

The spelling of 222213213003121 in words is "two hundred twenty-two trillion, two hundred thirteen billion, two hundred thirteen million, three thousand, one hundred twenty-one".