122440635011 has 2 divisors, whose sum is σ = 122440635012. Its totient is φ = 122440635010.

The previous prime is 122440635007. The next prime is 122440635071. The reversal of 122440635011 is 110536044221.

It is a weak prime.

It is an emirp because it is prime and its reverse (110536044221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122440635011 - 2² = 122440635007 is a prime.

It is not a weakly prime, because it can be changed into another prime (122440635071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61220317505 + 61220317506.

It is an arithmetic number, because the mean of its divisors is an integer number (61220317506).

Almost surely, 2^122440635011 is an apocalyptic number.

122440635011 is a deficient number, since it is larger than the sum of its proper divisors (1).

122440635011 is an equidigital number, since it uses as much as digits as its factorization.

122440635011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 122440635011 its reverse (110536044221), we get a palindrome (232976679232).

The spelling of 122440635011 in words is "one hundred twenty-two billion, four hundred forty million, six hundred thirty-five thousand, eleven".