3221613606111 has 16 divisors (see below), whose sum is σ = 4411927125504. Its totient is φ = 2089530406944.

The previous prime is 3221613606097. The next prime is 3221613606139. The reversal of 3221613606111 is 1116063161223.

It is a happy number.

It is not a de Polignac number, because 3221613606111 - 2²¹ = 3221611508959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221613606161) 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, 275670 + ... + 2553276.

It is an arithmetic number, because the mean of its divisors is an integer number (275745445344).

Almost surely, 2^{3221613606111} is an apocalyptic number.

3221613606111 is a deficient number, since it is larger than the sum of its proper divisors (1190313519393).

3221613606111 is a wasteful number, since it uses less digits than its factorization.

3221613606111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290390.

The product of its (nonzero) digits is 7776, while the sum is 33.

Adding to 3221613606111 its reverse (1116063161223), we get a palindrome (4337676767334).

The spelling of 3221613606111 in words is "three trillion, two hundred twenty-one billion, six hundred thirteen million, six hundred six thousand, one hundred eleven".