3221211212411 has 4 divisors (see below), whose sum is σ = 3221353533552. Its totient is φ = 3221068891272.

The previous prime is 3221211212399. The next prime is 3221211212431. The reversal of 3221211212411 is 1142121121223.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3221211212411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3221211212431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71126615 + ... + 71171888.

It is an arithmetic number, because the mean of its divisors is an integer number (805338383388).

Almost surely, 2^{3221211212411} is an apocalyptic number.

3221211212411 is a deficient number, since it is larger than the sum of its proper divisors (142321141).

3221211212411 is a wasteful number, since it uses less digits than its factorization.

3221211212411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142321140.

The product of its digits is 384, while the sum is 23.

Adding to 3221211212411 its reverse (1142121121223), we get a palindrome (4363332333634).

The spelling of 3221211212411 in words is "three trillion, two hundred twenty-one billion, two hundred eleven million, two hundred twelve thousand, four hundred eleven".