221214009983 has 2 divisors, whose sum is σ = 221214009984. Its totient is φ = 221214009982.

The previous prime is 221214009977. The next prime is 221214010013. The reversal of 221214009983 is 389900412122.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221214009983 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221214009983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221214002983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110607004991 + 110607004992.

It is an arithmetic number, because the mean of its divisors is an integer number (110607004992).

Almost surely, 2^221214009983 is an apocalyptic number.

221214009983 is a deficient number, since it is larger than the sum of its proper divisors (1).

221214009983 is an equidigital number, since it uses as much as digits as its factorization.

221214009983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 221214009983 in words is "two hundred twenty-one billion, two hundred fourteen million, nine thousand, nine hundred eighty-three".