221202299999 has 2 divisors, whose sum is σ = 221202300000. Its totient is φ = 221202299998.

The previous prime is 221202299977. The next prime is 221202300001. The reversal of 221202299999 is 999992202122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221202299999 is a prime.

Together with 221202300001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221202299959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110601149999 + 110601150000.

It is an arithmetic number, because the mean of its divisors is an integer number (110601150000).

Almost surely, 2^221202299999 is an apocalyptic number.

221202299999 is a deficient number, since it is larger than the sum of its proper divisors (1).

221202299999 is an equidigital number, since it uses as much as digits as its factorization.

221202299999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1889568, while the sum is 56.

The spelling of 221202299999 in words is "two hundred twenty-one billion, two hundred two million, two hundred ninety-nine thousand, nine hundred ninety-nine".