120221219999 has 2 divisors, whose sum is σ = 120221220000. Its totient is φ = 120221219998.

The previous prime is 120221219969. The next prime is 120221220013. The reversal of 120221219999 is 999912122021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120221219999 - 2¹² = 120221215903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120221219929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60110609999 + 60110610000.

It is an arithmetic number, because the mean of its divisors is an integer number (60110610000).

Almost surely, 2^120221219999 is an apocalyptic number.

120221219999 is a deficient number, since it is larger than the sum of its proper divisors (1).

120221219999 is an equidigital number, since it uses as much as digits as its factorization.

120221219999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 47.

The spelling of 120221219999 in words is "one hundred twenty billion, two hundred twenty-one million, two hundred nineteen thousand, nine hundred ninety-nine".