242211112217 has 2 divisors, whose sum is σ = 242211112218. Its totient is φ = 242211112216.

The previous prime is 242211112181. The next prime is 242211112243. The reversal of 242211112217 is 712211112242.

It is an a-pointer prime, because the next prime (242211112243) can be obtained adding 242211112217 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240089220121 + 2121892096 = 489989^2 + 46064^2 .

It is a cyclic number.

It is not a de Polignac number, because 242211112217 - 2³⁴ = 225031243033 is a prime.

It is not a weakly prime, because it can be changed into another prime (242211112817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121105556108 + 121105556109.

It is an arithmetic number, because the mean of its divisors is an integer number (121105556109).

Almost surely, 2^242211112217 is an apocalyptic number.

It is an amenable number.

242211112217 is a deficient number, since it is larger than the sum of its proper divisors (1).

242211112217 is an equidigital number, since it uses as much as digits as its factorization.

242211112217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 896, while the sum is 26.

Adding to 242211112217 its reverse (712211112242), we get a palindrome (954422224459).

The spelling of 242211112217 in words is "two hundred forty-two billion, two hundred eleven million, one hundred twelve thousand, two hundred seventeen".