220199663150321 has 2 divisors, whose sum is σ = 220199663150322. Its totient is φ = 220199663150320.

The previous prime is 220199663150279. The next prime is 220199663150443. The reversal of 220199663150321 is 123051366991022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216698419662400 + 3501243487921 = 14720680^2 + 1871161^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220199663150321 is a prime.

It is a super-2 number, since 2×220199663150321² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 220199663150321.

It is not a weakly prime, because it can be changed into another prime (220199663150521) 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, 110099831575160 + 110099831575161.

It is an arithmetic number, because the mean of its divisors is an integer number (110099831575161).

Almost surely, 2^{220199663150321} is an apocalyptic number.

It is an amenable number.

220199663150321 is a deficient number, since it is larger than the sum of its proper divisors (1).

220199663150321 is an equidigital number, since it uses as much as digits as its factorization.

220199663150321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1049760, while the sum is 50.

The spelling of 220199663150321 in words is "two hundred twenty trillion, one hundred ninety-nine billion, six hundred sixty-three million, one hundred fifty thousand, three hundred twenty-one".