120110022122221 has 2 divisors, whose sum is σ = 120110022122222. Its totient is φ = 120110022122220.

The previous prime is 120110022122147. The next prime is 120110022122227. The reversal of 120110022122221 is 122221220011021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106456893662025 + 13653128460196 = 10317795^2 + 3695014^2 .

It is an emirp because it is prime and its reverse (122221220011021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120110022122221 - 2¹¹ = 120110022120173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120110022122227) 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 as a sum of consecutive naturals, namely, 60055011061110 + 60055011061111.

It is an arithmetic number, because the mean of its divisors is an integer number (60055011061111).

Almost surely, 2^{120110022122221} is an apocalyptic number.

It is an amenable number.

120110022122221 is a deficient number, since it is larger than the sum of its proper divisors (1).

120110022122221 is an equidigital number, since it uses as much as digits as its factorization.

120110022122221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 120110022122221 its reverse (122221220011021), we get a palindrome (242331242133242).

The spelling of 120110022122221 in words is "one hundred twenty trillion, one hundred ten billion, twenty-two million, one hundred twenty-two thousand, two hundred twenty-one".