3220012111 has 2 divisors, whose sum is σ = 3220012112. Its totient is φ = 3220012110.

The previous prime is 3220012091. The next prime is 3220012157. The reversal of 3220012111 is 1112100223.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3220012111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3220012091 and 3220012100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3220012171) 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 as a sum of consecutive naturals, namely, 1610006055 + 1610006056.

It is an arithmetic number, because the mean of its divisors is an integer number (1610006056).

Almost surely, 2^3220012111 is an apocalyptic number.

3220012111 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220012111 is an equidigital number, since it uses as much as digits as its factorization.

3220012111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 3220012111 is about 56745.1505505096. The cubic root of 3220012111 is about 1476.6781032790.

Adding to 3220012111 its reverse (1112100223), we get a palindrome (4332112334).

The spelling of 3220012111 in words is "three billion, two hundred twenty million, twelve thousand, one hundred eleven".