1222430111117 has 2 divisors, whose sum is σ = 1222430111118. Its totient is φ = 1222430111116.

The previous prime is 1222430111099. The next prime is 1222430111131. The reversal of 1222430111117 is 7111110342221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 613110924196 + 609319186921 = 783014^2 + 780589^2 .

It is an emirp because it is prime and its reverse (7111110342221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1222430111117 - 2²⁰ = 1222429062541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222430111167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611215055558 + 611215055559.

It is an arithmetic number, because the mean of its divisors is an integer number (611215055559).

Almost surely, 2^{1222430111117} is an apocalyptic number.

It is an amenable number.

1222430111117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222430111117 is an equidigital number, since it uses as much as digits as its factorization.

1222430111117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 26.

Adding to 1222430111117 its reverse (7111110342221), we get a palindrome (8333540453338).

The spelling of 1222430111117 in words is "one trillion, two hundred twenty-two billion, four hundred thirty million, one hundred eleven thousand, one hundred seventeen".