10222211117 has 2 divisors, whose sum is σ = 10222211118. Its totient is φ = 10222211116.

The previous prime is 10222211113. The next prime is 10222211137. The reversal of 10222211117 is 71111222201.

It is a happy number.

10222211117 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (10222211137) can be obtained adding 10222211117 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9789321481 + 432889636 = 98941^2 + 20806^2 .

It is a cyclic number.

It is not a de Polignac number, because 10222211117 - 2² = 10222211113 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10222211113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5111105558 + 5111105559.

It is an arithmetic number, because the mean of its divisors is an integer number (5111105559).

Almost surely, 2^10222211117 is an apocalyptic number.

It is an amenable number.

10222211117 is a deficient number, since it is larger than the sum of its proper divisors (1).

10222211117 is an equidigital number, since it uses as much as digits as its factorization.

10222211117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 10222211117 its reverse (71111222201), we get a palindrome (81333433318).

The spelling of 10222211117 in words is "ten billion, two hundred twenty-two million, two hundred eleven thousand, one hundred seventeen".