221003031221299 has 2 divisors, whose sum is σ = 221003031221300. Its totient is φ = 221003031221298.

The previous prime is 221003031221243. The next prime is 221003031221311. The reversal of 221003031221299 is 992122130300122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221003031221299 - 2¹⁵ = 221003031188531 is a prime.

It is a super-2 number, since 2×221003031221299² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (221003031291299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110501515610649 + 110501515610650.

It is an arithmetic number, because the mean of its divisors is an integer number (110501515610650).

Almost surely, 2^{221003031221299} is an apocalyptic number.

221003031221299 is a deficient number, since it is larger than the sum of its proper divisors (1).

221003031221299 is an equidigital number, since it uses as much as digits as its factorization.

221003031221299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 221003031221299 in words is "two hundred twenty-one trillion, three billion, thirty-one million, two hundred twenty-one thousand, two hundred ninety-nine".