242211031211 has 2 divisors, whose sum is σ = 242211031212. Its totient is φ = 242211031210.

The previous prime is 242211031103. The next prime is 242211031213. The reversal of 242211031211 is 112130112242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242211031211 - 2¹⁸ = 242210769067 is a prime.

It is a super-2 number, since 2×242211031211² (a number of 24 digits) contains 22 as substring.

Together with 242211031213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (242211031213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121105515605 + 121105515606.

It is an arithmetic number, because the mean of its divisors is an integer number (121105515606).

Almost surely, 2^242211031211 is an apocalyptic number.

242211031211 is a deficient number, since it is larger than the sum of its proper divisors (1).

242211031211 is an equidigital number, since it uses as much as digits as its factorization.

242211031211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 242211031211 its reverse (112130112242), we get a palindrome (354341143453).

The spelling of 242211031211 in words is "two hundred forty-two billion, two hundred eleven million, thirty-one thousand, two hundred eleven".