242112400213331 has 2 divisors, whose sum is σ = 242112400213332. Its totient is φ = 242112400213330.

The previous prime is 242112400213309. The next prime is 242112400213393. The reversal of 242112400213331 is 133312004211242.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242112400213331 - 2³⁰ = 242111326471507 is a prime.

It is a super-2 number, since 2×242112400213331² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242112400213294 and 242112400213303.

It is not a weakly prime, because it can be changed into another prime (242112400233331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121056200106665 + 121056200106666.

It is an arithmetic number, because the mean of its divisors is an integer number (121056200106666).

Almost surely, 2^{242112400213331} is an apocalyptic number.

242112400213331 is a deficient number, since it is larger than the sum of its proper divisors (1).

242112400213331 is an equidigital number, since it uses as much as digits as its factorization.

242112400213331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 242112400213331 its reverse (133312004211242), we get a palindrome (375424404424573).

The spelling of 242112400213331 in words is "two hundred forty-two trillion, one hundred twelve billion, four hundred million, two hundred thirteen thousand, three hundred thirty-one".