2331222021205 has 16 divisors (see below), whose sum is σ = 3487750349184. Its totient is φ = 1453229311680.

The previous prime is 2331222021203. The next prime is 2331222021241. The reversal of 2331222021205 is 5021202221332.

It is not a de Polignac number, because 2331222021205 - 2¹ = 2331222021203 is a prime.

It is a super-3 number, since 3×2331222021205³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2331222021205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331222021203) 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, 3027560682 + ... + 3027561451.

It is an arithmetic number, because the mean of its divisors is an integer number (217984396824).

Almost surely, 2^{2331222021205} is an apocalyptic number.

It is an amenable number.

2331222021205 is a deficient number, since it is larger than the sum of its proper divisors (1156528327979).

2331222021205 is a wasteful number, since it uses less digits than its factorization.

2331222021205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6055122156.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 2331222021205 its reverse (5021202221332), we get a palindrome (7352424242537).

The spelling of 2331222021205 in words is "two trillion, three hundred thirty-one billion, two hundred twenty-two million, twenty-one thousand, two hundred five".