22111243243241 has 2 divisors, whose sum is σ = 22111243243242. Its totient is φ = 22111243243240.

The previous prime is 22111243243181. The next prime is 22111243243259. The reversal of 22111243243241 is 14234234211122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14133810174016 + 7977433069225 = 3759496^2 + 2824435^2 .

It is a cyclic number.

It is not a de Polignac number, because 22111243243241 - 2¹⁴ = 22111243226857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22111243243198 and 22111243243207.

It is not a weakly prime, because it can be changed into another prime (22111243443241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055621621620 + 11055621621621.

It is an arithmetic number, because the mean of its divisors is an integer number (11055621621621).

Almost surely, 2^{22111243243241} is an apocalyptic number.

It is an amenable number.

22111243243241 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111243243241 is an equidigital number, since it uses as much as digits as its factorization.

22111243243241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 32.

Adding to 22111243243241 its reverse (14234234211122), we get a palindrome (36345477454363).

The spelling of 22111243243241 in words is "twenty-two trillion, one hundred eleven billion, two hundred forty-three million, two hundred forty-three thousand, two hundred forty-one".