120210020022221 has 2 divisors, whose sum is σ = 120210020022222. Its totient is φ = 120210020022220.

The previous prime is 120210020022217. The next prime is 120210020022229. The reversal of 120210020022221 is 122220020012021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119894046748996 + 315973273225 = 10949614^2 + 562115^2 .

It is a cyclic number.

It is not a de Polignac number, because 120210020022221 - 2² = 120210020022217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120210020022221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120210020022229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60105010011110 + 60105010011111.

It is an arithmetic number, because the mean of its divisors is an integer number (60105010011111).

Almost surely, 2^{120210020022221} is an apocalyptic number.

It is an amenable number.

120210020022221 is a deficient number, since it is larger than the sum of its proper divisors (1).

120210020022221 is an equidigital number, since it uses as much as digits as its factorization.

120210020022221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 120210020022221 its reverse (122220020012021), we get a palindrome (242430040034242).

The spelling of 120210020022221 in words is "one hundred twenty trillion, two hundred ten billion, twenty million, twenty-two thousand, two hundred twenty-one".