120222172001 has 2 divisors, whose sum is σ = 120222172002. Its totient is φ = 120222172000.

The previous prime is 120222171983. The next prime is 120222172093. The reversal of 120222172001 is 100271222021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87365171776 + 32857000225 = 295576^2 + 181265^2 .

It is an emirp because it is prime and its reverse (100271222021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120222172001 is a prime.

It is not a weakly prime, because it can be changed into another prime (120222172501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60111086000 + 60111086001.

It is an arithmetic number, because the mean of its divisors is an integer number (60111086001).

Almost surely, 2^120222172001 is an apocalyptic number.

It is an amenable number.

120222172001 is a deficient number, since it is larger than the sum of its proper divisors (1).

120222172001 is an equidigital number, since it uses as much as digits as its factorization.

120222172001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 120222172001 its reverse (100271222021), we get a palindrome (220493394022).

The spelling of 120222172001 in words is "one hundred twenty billion, two hundred twenty-two million, one hundred seventy-two thousand, one".