121341011443 has 2 divisors, whose sum is σ = 121341011444. Its totient is φ = 121341011442.

The previous prime is 121341011431. The next prime is 121341011459. The reversal of 121341011443 is 344110143121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121341011443 is a prime.

It is not a weakly prime, because it can be changed into another prime (121341011413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60670505721 + 60670505722.

It is an arithmetic number, because the mean of its divisors is an integer number (60670505722).

Almost surely, 2^121341011443 is an apocalyptic number.

121341011443 is a deficient number, since it is larger than the sum of its proper divisors (1).

121341011443 is an equidigital number, since it uses as much as digits as its factorization.

121341011443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 121341011443 its reverse (344110143121), we get a palindrome (465451154564).

The spelling of 121341011443 in words is "one hundred twenty-one billion, three hundred forty-one million, eleven thousand, four hundred forty-three".