3221221421911 has 2 divisors, whose sum is σ = 3221221421912. Its totient is φ = 3221221421910.

The previous prime is 3221221421903. The next prime is 3221221421959. The reversal of 3221221421911 is 1191241221223.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3221221421911 - 2³ = 3221221421903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3221221521911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610610710955 + 1610610710956.

It is an arithmetic number, because the mean of its divisors is an integer number (1610610710956).

Almost surely, 2^{3221221421911} is an apocalyptic number.

3221221421911 is a deficient number, since it is larger than the sum of its proper divisors (1).

3221221421911 is an equidigital number, since it uses as much as digits as its factorization.

3221221421911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 31.

The spelling of 3221221421911 in words is "three trillion, two hundred twenty-one billion, two hundred twenty-one million, four hundred twenty-one thousand, nine hundred eleven".