443000112420121 has 2 divisors, whose sum is σ = 443000112420122. Its totient is φ = 443000112420120.

The previous prime is 443000112420119. The next prime is 443000112420133. The reversal of 443000112420121 is 121024211000344.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 420416517491721 + 22583594928400 = 20504061^2 + 4752220^2 .

It is a cyclic number.

It is not a de Polignac number, because 443000112420121 - 2¹ = 443000112420119 is a prime.

Together with 443000112420119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (443000112420161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221500056210060 + 221500056210061.

It is an arithmetic number, because the mean of its divisors is an integer number (221500056210061).

Almost surely, 2^{443000112420121} is an apocalyptic number.

It is an amenable number.

443000112420121 is a deficient number, since it is larger than the sum of its proper divisors (1).

443000112420121 is an equidigital number, since it uses as much as digits as its factorization.

443000112420121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 443000112420121 its reverse (121024211000344), we get a palindrome (564024323420465).

The spelling of 443000112420121 in words is "four hundred forty-three trillion, one hundred twelve million, four hundred twenty thousand, one hundred twenty-one".