43013035150121 has 2 divisors, whose sum is σ = 43013035150122. Its totient is φ = 43013035150120.

The previous prime is 43013035150051. The next prime is 43013035150139. The reversal of 43013035150121 is 12105153031034.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41656555647721 + 1356479502400 = 6454189^2 + 1164680^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43013035150121 is a prime.

It is not a weakly prime, because it can be changed into another prime (43013035150021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21506517575060 + 21506517575061.

It is an arithmetic number, because the mean of its divisors is an integer number (21506517575061).

Almost surely, 2^{43013035150121} is an apocalyptic number.

It is an amenable number.

43013035150121 is a deficient number, since it is larger than the sum of its proper divisors (1).

43013035150121 is an equidigital number, since it uses as much as digits as its factorization.

43013035150121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 43013035150121 its reverse (12105153031034), we get a palindrome (55118188181155).

The spelling of 43013035150121 in words is "forty-three trillion, thirteen billion, thirty-five million, one hundred fifty thousand, one hundred twenty-one".