3221240111 has 2 divisors, whose sum is σ = 3221240112. Its totient is φ = 3221240110.

The previous prime is 3221240083. The next prime is 3221240159. The reversal of 3221240111 is 1110421223.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3221240111 - 2¹⁴ = 3221223727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3221240111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3221240161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610620055 + 1610620056.

It is an arithmetic number, because the mean of its divisors is an integer number (1610620056).

Almost surely, 2^3221240111 is an apocalyptic number.

3221240111 is a deficient number, since it is larger than the sum of its proper divisors (1).

3221240111 is an equidigital number, since it uses as much as digits as its factorization.

3221240111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 3221240111 is about 56755.9698269706. The cubic root of 3221240111 is about 1476.8657972151.

Adding to 3221240111 its reverse (1110421223), we get a palindrome (4331661334).

The spelling of 3221240111 in words is "three billion, two hundred twenty-one million, two hundred forty thousand, one hundred eleven".