2142201340117 has 2 divisors, whose sum is σ = 2142201340118. Its totient is φ = 2142201340116.

The previous prime is 2142201340087. The next prime is 2142201340151. The reversal of 2142201340117 is 7110431022412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1961439464196 + 180761875921 = 1400514^2 + 425161^2 .

It is a cyclic number.

It is not a de Polignac number, because 2142201340117 - 2¹⁹ = 2142200815829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142201340157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071100670058 + 1071100670059.

It is an arithmetic number, because the mean of its divisors is an integer number (1071100670059).

Almost surely, 2^{2142201340117} is an apocalyptic number.

It is an amenable number.

2142201340117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142201340117 is an equidigital number, since it uses as much as digits as its factorization.

2142201340117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

Adding to 2142201340117 its reverse (7110431022412), we get a palindrome (9252632362529).

The spelling of 2142201340117 in words is "two trillion, one hundred forty-two billion, two hundred one million, three hundred forty thousand, one hundred seventeen".