42014332121 has 2 divisors, whose sum is σ = 42014332122. Its totient is φ = 42014332120.

The previous prime is 42014332079. The next prime is 42014332133. The reversal of 42014332121 is 12123341024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24475038025 + 17539294096 = 156445^2 + 132436^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42014332121 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (42014332721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21007166060 + 21007166061.

It is an arithmetic number, because the mean of its divisors is an integer number (21007166061).

Almost surely, 2^42014332121 is an apocalyptic number.

It is an amenable number.

42014332121 is a deficient number, since it is larger than the sum of its proper divisors (1).

42014332121 is an equidigital number, since it uses as much as digits as its factorization.

42014332121 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 23.

Adding to 42014332121 its reverse (12123341024), we get a palindrome (54137673145).

The spelling of 42014332121 in words is "forty-two billion, fourteen million, three hundred thirty-two thousand, one hundred twenty-one".