243224100401111 has 2 divisors, whose sum is σ = 243224100401112. Its totient is φ = 243224100401110.

The previous prime is 243224100401041. The next prime is 243224100401167. The reversal of 243224100401111 is 111104001422342.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243224100401111 is a prime.

It is a super-2 number, since 2×243224100401111² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243224100401311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121612050200555 + 121612050200556.

It is an arithmetic number, because the mean of its divisors is an integer number (121612050200556).

Almost surely, 2^{243224100401111} is an apocalyptic number.

243224100401111 is a deficient number, since it is larger than the sum of its proper divisors (1).

243224100401111 is an equidigital number, since it uses as much as digits as its factorization.

243224100401111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 243224100401111 its reverse (111104001422342), we get a palindrome (354328101823453).

The spelling of 243224100401111 in words is "two hundred forty-three trillion, two hundred twenty-four billion, one hundred million, four hundred one thousand, one hundred eleven".