2223312222121 has 8 divisors (see below), whose sum is σ = 2224933588800. Its totient is φ = 2221691380080.

The previous prime is 2223312222049. The next prime is 2223312222133. The reversal of 2223312222121 is 1212222133222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2223312222121 - 2⁹ = 2223312221609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2223312922121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8556091 + ... + 8812111.

It is an arithmetic number, because the mean of its divisors is an integer number (278116698600).

Almost surely, 2^{2223312222121} is an apocalyptic number.

It is an amenable number.

2223312222121 is a deficient number, since it is larger than the sum of its proper divisors (1621366679).

2223312222121 is a wasteful number, since it uses less digits than its factorization.

2223312222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262319.

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

Adding to 2223312222121 its reverse (1212222133222), we get a palindrome (3435534355343).

The spelling of 2223312222121 in words is "two trillion, two hundred twenty-three billion, three hundred twelve million, two hundred twenty-two thousand, one hundred twenty-one".