22120120012217 has 2 divisors, whose sum is σ = 22120120012218. Its totient is φ = 22120120012216.

The previous prime is 22120120012183. The next prime is 22120120012267. The reversal of 22120120012217 is 71221002102122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21264604158736 + 855515853481 = 4611356^2 + 924941^2 .

It is a cyclic number.

It is not a de Polignac number, because 22120120012217 - 2¹⁰ = 22120120011193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22120120012192 and 22120120012201.

It is not a weakly prime, because it can be changed into another prime (22120120012267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060060006108 + 11060060006109.

It is an arithmetic number, because the mean of its divisors is an integer number (11060060006109).

Almost surely, 2^{22120120012217} is an apocalyptic number.

It is an amenable number.

22120120012217 is a deficient number, since it is larger than the sum of its proper divisors (1).

22120120012217 is an equidigital number, since it uses as much as digits as its factorization.

22120120012217 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 22120120012217 its reverse (71221002102122), we get a palindrome (93341122114339).

The spelling of 22120120012217 in words is "twenty-two trillion, one hundred twenty billion, one hundred twenty million, twelve thousand, two hundred seventeen".