2121333112222 has 8 divisors (see below), whose sum is σ = 3182005852272. Its totient is φ = 1060664494800.

The previous prime is 2121333112219. The next prime is 2121333112229. The reversal of 2121333112222 is 2222113331212.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121333112229) 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, 1446447 + ... + 2516917.

It is an arithmetic number, because the mean of its divisors is an integer number (397750731534).

Almost surely, 2^{2121333112222} is an apocalyptic number.

2121333112222 is a deficient number, since it is larger than the sum of its proper divisors (1060672740050).

2121333112222 is a wasteful number, since it uses less digits than its factorization.

2121333112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061314.

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

Adding to 2121333112222 its reverse (2222113331212), we get a palindrome (4343446443434).

The spelling of 2121333112222 in words is "two trillion, one hundred twenty-one billion, three hundred thirty-three million, one hundred twelve thousand, two hundred twenty-two".