3221320201111 has 4 divisors (see below), whose sum is σ = 3246684927232. Its totient is φ = 3195955474992.

The previous prime is 3221320201097. The next prime is 3221320201123. The reversal of 3221320201111 is 1111020231223.

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

It is a cyclic number.

It is not a de Polignac number, because 3221320201111 - 2⁵ = 3221320201079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221320201181) 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 3 ways as a sum of consecutive naturals, for example, 12682362870 + ... + 12682363123.

It is an arithmetic number, because the mean of its divisors is an integer number (811671231808).

Almost surely, 2^{3221320201111} is an apocalyptic number.

3221320201111 is a deficient number, since it is larger than the sum of its proper divisors (25364726121).

3221320201111 is a wasteful number, since it uses less digits than its factorization.

3221320201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25364726120.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 3221320201111 its reverse (1111020231223), we get a palindrome (4332340432334).

The spelling of 3221320201111 in words is "three trillion, two hundred twenty-one billion, three hundred twenty million, two hundred one thousand, one hundred eleven".