3211131321222 has 96 divisors (see below), whose sum is σ = 7251563945472. Its totient is φ = 946562760000.

The previous prime is 3211131321169. The next prime is 3211131321247. The reversal of 3211131321222 is 2221231311123.

It is a super-3 number, since 3×3211131321222³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 3211131321192 and 3211131321201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 157159347 + ... + 157179777.

It is an arithmetic number, because the mean of its divisors is an integer number (75537124432).

Almost surely, 2^{3211131321222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3211131321222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3625781972736).

3211131321222 is an abundant number, since it is smaller than the sum of its proper divisors (4040432624250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3211131321222 is a wasteful number, since it uses less digits than its factorization.

3211131321222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26346 (or 26335 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

Adding to 3211131321222 its reverse (2221231311123), we get a palindrome (5432362632345).

It can be divided in two parts, 3211131 and 321222, that added together give a palindrome (3532353).

The spelling of 3211131321222 in words is "three trillion, two hundred eleven billion, one hundred thirty-one million, three hundred twenty-one thousand, two hundred twenty-two".