42203301121 has 2 divisors, whose sum is σ = 42203301122. Its totient is φ = 42203301120.

The previous prime is 42203301097. The next prime is 42203301143. The reversal of 42203301121 is 12110330224.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42152606721 + 50694400 = 205311^2 + 7120^2 .

It is a cyclic number.

It is not a de Polignac number, because 42203301121 - 2⁵ = 42203301089 is a prime.

It is a super-2 number, since 2×42203301121² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42203301181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21101650560 + 21101650561.

It is an arithmetic number, because the mean of its divisors is an integer number (21101650561).

Almost surely, 2^42203301121 is an apocalyptic number.

It is an amenable number.

42203301121 is a deficient number, since it is larger than the sum of its proper divisors (1).

42203301121 is an equidigital number, since it uses as much as digits as its factorization.

42203301121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 42203301121 its reverse (12110330224), we get a palindrome (54313631345).

The spelling of 42203301121 in words is "forty-two billion, two hundred three million, three hundred one thousand, one hundred twenty-one".