121041202013443 has 2 divisors, whose sum is σ = 121041202013444. Its totient is φ = 121041202013442.

The previous prime is 121041202013399. The next prime is 121041202013453. The reversal of 121041202013443 is 344310202140121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121041202013443 - 2²¹ = 121041199916291 is a prime.

It is not a weakly prime, because it can be changed into another prime (121041202013453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60520601006721 + 60520601006722.

It is an arithmetic number, because the mean of its divisors is an integer number (60520601006722).

Almost surely, 2^{121041202013443} is an apocalyptic number.

121041202013443 is a deficient number, since it is larger than the sum of its proper divisors (1).

121041202013443 is an equidigital number, since it uses as much as digits as its factorization.

121041202013443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 121041202013443 its reverse (344310202140121), we get a palindrome (465351404153564).

The spelling of 121041202013443 in words is "one hundred twenty-one trillion, forty-one billion, two hundred two million, thirteen thousand, four hundred forty-three".