3221121312322 has 4 divisors (see below), whose sum is σ = 4831681968486. Its totient is φ = 1610560656160.

The previous prime is 3221121312289. The next prime is 3221121312347. The reversal of 3221121312322 is 2232131211223.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3219121344481 + 1999967841 = 1794191^2 + 44721^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805280328079 + ... + 805280328082.

Almost surely, 2^{3221121312322} is an apocalyptic number.

3221121312322 is a deficient number, since it is larger than the sum of its proper divisors (1610560656164).

3221121312322 is a wasteful number, since it uses less digits than its factorization.

3221121312322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610560656163.

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

Adding to 3221121312322 its reverse (2232131211223), we get a palindrome (5453252523545).

The spelling of 3221121312322 in words is "three trillion, two hundred twenty-one billion, one hundred twenty-one million, three hundred twelve thousand, three hundred twenty-two".