122443240203331 has 2 divisors, whose sum is σ = 122443240203332. Its totient is φ = 122443240203330.

The previous prime is 122443240203329. The next prime is 122443240203353. The reversal of 122443240203331 is 133302042344221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122443240203331 - 2¹ = 122443240203329 is a prime.

It is a super-2 number, since 2×122443240203331² (a number of 29 digits) contains 22 as substring.

Together with 122443240203329, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (122443240203931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61221620101665 + 61221620101666.

It is an arithmetic number, because the mean of its divisors is an integer number (61221620101666).

Almost surely, 2^{122443240203331} is an apocalyptic number.

122443240203331 is a deficient number, since it is larger than the sum of its proper divisors (1).

122443240203331 is an equidigital number, since it uses as much as digits as its factorization.

122443240203331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 122443240203331 its reverse (133302042344221), we get a palindrome (255745282547552).

The spelling of 122443240203331 in words is "one hundred twenty-two trillion, four hundred forty-three billion, two hundred forty million, two hundred three thousand, three hundred thirty-one".