120221222002221 has 32 divisors (see below), whose sum is σ = 169037351735680. Its totient is φ = 75791622240000.

The previous prime is 120221222002181. The next prime is 120221222002253. The reversal of 120221222002221 is 122200222122021.

It is not a de Polignac number, because 120221222002221 - 2⁶ = 120221222002157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120221222002261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 194697471 + ... + 195313971.

It is an arithmetic number, because the mean of its divisors is an integer number (5282417241740).

Almost surely, 2^{120221222002221} is an apocalyptic number.

It is an amenable number.

120221222002221 is a deficient number, since it is larger than the sum of its proper divisors (48816129733459).

120221222002221 is a wasteful number, since it uses less digits than its factorization.

120221222002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622717.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 120221222002221 its reverse (122200222122021), we get a palindrome (242421444124242).

The spelling of 120221222002221 in words is "one hundred twenty trillion, two hundred twenty-one billion, two hundred twenty-two million, two thousand, two hundred twenty-one".