102000420421297 has 2 divisors, whose sum is σ = 102000420421298. Its totient is φ = 102000420421296.

The previous prime is 102000420421117. The next prime is 102000420421331. The reversal of 102000420421297 is 792124024000201.

It is an a-pointer prime, because the next prime (102000420421331) can be obtained adding 102000420421297 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101869375697296 + 131044724001 = 10093036^2 + 362001^2 .

It is a cyclic number.

It is not a de Polignac number, because 102000420421297 - 2¹⁹ = 102000419897009 is a prime.

It is a super-2 number, since 2×102000420421297² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102000420421397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51000210210648 + 51000210210649.

It is an arithmetic number, because the mean of its divisors is an integer number (51000210210649).

Almost surely, 2^{102000420421297} is an apocalyptic number.

It is an amenable number.

102000420421297 is a deficient number, since it is larger than the sum of its proper divisors (1).

102000420421297 is an equidigital number, since it uses as much as digits as its factorization.

102000420421297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

Adding to 102000420421297 its reverse (792124024000201), we get a palindrome (894124444421498).

The spelling of 102000420421297 in words is "one hundred two trillion, four hundred twenty million, four hundred twenty-one thousand, two hundred ninety-seven".