2221131301999 has 2 divisors, whose sum is σ = 2221131302000. Its totient is φ = 2221131301998.

The previous prime is 2221131301997. The next prime is 2221131302053. The reversal of 2221131301999 is 9991031311222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2221131301999 - 2¹ = 2221131301997 is a prime.

Together with 2221131301997, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221131301997) 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, 1110565650999 + 1110565651000.

It is an arithmetic number, because the mean of its divisors is an integer number (1110565651000).

Almost surely, 2^{2221131301999} is an apocalyptic number.

2221131301999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221131301999 is an equidigital number, since it uses as much as digits as its factorization.

2221131301999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 43.

The spelling of 2221131301999 in words is "two trillion, two hundred twenty-one billion, one hundred thirty-one million, three hundred one thousand, nine hundred ninety-nine".