120021222220001 has 2 divisors, whose sum is σ = 120021222220002. Its totient is φ = 120021222220000.

The previous prime is 120021222219937. The next prime is 120021222220033. The reversal of 120021222220001 is 100022222120021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114364202574400 + 5657019645601 = 10694120^2 + 2378449^2 .

It is a cyclic number.

It is not a de Polignac number, because 120021222220001 - 2⁶ = 120021222219937 is a prime.

It is not a weakly prime, because it can be changed into another prime (120021222220201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010611110000 + 60010611110001.

It is an arithmetic number, because the mean of its divisors is an integer number (60010611110001).

Almost surely, 2^{120021222220001} is an apocalyptic number.

It is an amenable number.

120021222220001 is a deficient number, since it is larger than the sum of its proper divisors (1).

120021222220001 is an equidigital number, since it uses as much as digits as its factorization.

120021222220001 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 17.

Adding to 120021222220001 its reverse (100022222120021), we get a palindrome (220043444340022).

The spelling of 120021222220001 in words is "one hundred twenty trillion, twenty-one billion, two hundred twenty-two million, two hundred twenty thousand, one".