42342114211121 has 2 divisors, whose sum is σ = 42342114211122. Its totient is φ = 42342114211120.

The previous prime is 42342114211109. The next prime is 42342114211139. The reversal of 42342114211121 is 12111241124324.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38062594521121 + 4279519690000 = 6169489^2 + 2068700^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42342114211121 is a prime.

It is a super-2 number, since 2×42342114211121² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42342114219121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21171057105560 + 21171057105561.

It is an arithmetic number, because the mean of its divisors is an integer number (21171057105561).

Almost surely, 2^{42342114211121} is an apocalyptic number.

It is an amenable number.

42342114211121 is a deficient number, since it is larger than the sum of its proper divisors (1).

42342114211121 is an equidigital number, since it uses as much as digits as its factorization.

42342114211121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 29.

Adding to 42342114211121 its reverse (12111241124324), we get a palindrome (54453355335445).

The spelling of 42342114211121 in words is "forty-two trillion, three hundred forty-two billion, one hundred fourteen million, two hundred eleven thousand, one hundred twenty-one".