212222334121 has 8 divisors (see below), whose sum is σ = 256806858240. Its totient is φ = 171204571968.

The previous prime is 212222334017. The next prime is 212222334169. The reversal of 212222334121 is 121433222212.

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 212222334121 - 2¹⁵ = 212222301353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212222334721) 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, 891690361 + ... + 891690598.

It is an arithmetic number, because the mean of its divisors is an integer number (32100857280).

Almost surely, 2^212222334121 is an apocalyptic number.

It is an amenable number.

212222334121 is a deficient number, since it is larger than the sum of its proper divisors (44584524119).

212222334121 is a wasteful number, since it uses less digits than its factorization.

212222334121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783380983.

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

Adding to 212222334121 its reverse (121433222212), we get a palindrome (333655556333).

The spelling of 212222334121 in words is "two hundred twelve billion, two hundred twenty-two million, three hundred thirty-four thousand, one hundred twenty-one".