3213021103321 has 16 divisors (see below), whose sum is σ = 3501205243200. Its totient is φ = 2936891901888.

The previous prime is 3213021103297. The next prime is 3213021103351. The reversal of 3213021103321 is 1233011203123.

It is a cyclic number.

It is not a de Polignac number, because 3213021103321 - 2¹³ = 3213021095129 is a prime.

It is a super-2 number, since 2×3213021103321² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3213021103292 and 3213021103301.

It is not an unprimeable number, because it can be changed into a prime (3213021103351) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 1256910 + ... + 2829463.

It is an arithmetic number, because the mean of its divisors is an integer number (218825327700).

Almost surely, 2^{3213021103321} is an apocalyptic number.

It is an amenable number.

3213021103321 is a deficient number, since it is larger than the sum of its proper divisors (288184139879).

3213021103321 is a wasteful number, since it uses less digits than its factorization.

3213021103321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4087848.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 3213021103321 its reverse (1233011203123), we get a palindrome (4446032306444).

The spelling of 3213021103321 in words is "three trillion, two hundred thirteen billion, twenty-one million, one hundred three thousand, three hundred twenty-one".