3211113103221 has 16 divisors (see below), whose sum is σ = 4328702689536. Its totient is φ = 2117214629376.

The previous prime is 3211113103201. The next prime is 3211113103279. The reversal of 3211113103221 is 1223013111123.

It is not a de Polignac number, because 3211113103221 - 2¹⁴ = 3211113086837 is a prime.

It is a super-2 number, since 2×3211113103221² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3211113103201) 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, 10072320 + ... + 10386233.

It is an arithmetic number, because the mean of its divisors is an integer number (270543918096).

Almost surely, 2^{3211113103221} is an apocalyptic number.

It is an amenable number.

3211113103221 is a deficient number, since it is larger than the sum of its proper divisors (1117589586315).

3211113103221 is a wasteful number, since it uses less digits than its factorization.

3211113103221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20459132.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 3211113103221 its reverse (1223013111123), we get a palindrome (4434126214344).

The spelling of 3211113103221 in words is "three trillion, two hundred eleven billion, one hundred thirteen million, one hundred three thousand, two hundred twenty-one".