101221021222199 has 2 divisors, whose sum is σ = 101221021222200. Its totient is φ = 101221021222198.

The previous prime is 101221021222171. The next prime is 101221021222231. The reversal of 101221021222199 is 991222120122101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101221021222199 - 2¹² = 101221021218103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101221021222109) 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, 50610510611099 + 50610510611100.

It is an arithmetic number, because the mean of its divisors is an integer number (50610510611100).

Almost surely, 2^{101221021222199} is an apocalyptic number.

101221021222199 is a deficient number, since it is larger than the sum of its proper divisors (1).

101221021222199 is an equidigital number, since it uses as much as digits as its factorization.

101221021222199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 35.

The spelling of 101221021222199 in words is "one hundred one trillion, two hundred twenty-one billion, twenty-one million, two hundred twenty-two thousand, one hundred ninety-nine".