221200001019983 has 2 divisors, whose sum is σ = 221200001019984. Its totient is φ = 221200001019982.

The previous prime is 221200001019973. The next prime is 221200001020067. The reversal of 221200001019983 is 389910100002122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221200001019983 - 2⁶ = 221200001019919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221200001019913) 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, 110600000509991 + 110600000509992.

It is an arithmetic number, because the mean of its divisors is an integer number (110600000509992).

Almost surely, 2^{221200001019983} is an apocalyptic number.

221200001019983 is a deficient number, since it is larger than the sum of its proper divisors (1).

221200001019983 is an equidigital number, since it uses as much as digits as its factorization.

221200001019983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 38.

The spelling of 221200001019983 in words is "two hundred twenty-one trillion, two hundred billion, one million, nineteen thousand, nine hundred eighty-three".