12222021010117 has 2 divisors, whose sum is σ = 12222021010118. Its totient is φ = 12222021010116.

The previous prime is 12222021010081. The next prime is 12222021010123. The reversal of 12222021010117 is 71101012022221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12113225924836 + 108795085281 = 3480406^2 + 329841^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12222021010117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12222021010517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111010505058 + 6111010505059.

It is an arithmetic number, because the mean of its divisors is an integer number (6111010505059).

Almost surely, 2^{12222021010117} is an apocalyptic number.

It is an amenable number.

12222021010117 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222021010117 is an equidigital number, since it uses as much as digits as its factorization.

12222021010117 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 22.

Adding to 12222021010117 its reverse (71101012022221), we get a palindrome (83323033032338).

The spelling of 12222021010117 in words is "twelve trillion, two hundred twenty-two billion, twenty-one million, ten thousand, one hundred seventeen".