120211200022217 has 2 divisors, whose sum is σ = 120211200022218. Its totient is φ = 120211200022216.

The previous prime is 120211200022153. The next prime is 120211200022229. The reversal of 120211200022217 is 712220002112021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116157114419641 + 4054085602576 = 10777621^2 + 2013476^2 .

It is a cyclic number.

It is not a de Polignac number, because 120211200022217 - 2⁶ = 120211200022153 is a prime.

It is a super-2 number, since 2×120211200022217² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120211200022192 and 120211200022201.

It is not a weakly prime, because it can be changed into another prime (120211200022237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60105600011108 + 60105600011109.

It is an arithmetic number, because the mean of its divisors is an integer number (60105600011109).

Almost surely, 2^{120211200022217} is an apocalyptic number.

It is an amenable number.

120211200022217 is a deficient number, since it is larger than the sum of its proper divisors (1).

120211200022217 is an equidigital number, since it uses as much as digits as its factorization.

120211200022217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 120211200022217 its reverse (712220002112021), we get a palindrome (832431202134238).

The spelling of 120211200022217 in words is "one hundred twenty trillion, two hundred eleven billion, two hundred million, twenty-two thousand, two hundred seventeen".