100212102121297 has 2 divisors, whose sum is σ = 100212102121298. Its totient is φ = 100212102121296.

The previous prime is 100212102121277. The next prime is 100212102121319. The reversal of 100212102121297 is 792121201212001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96606960685456 + 3605141435841 = 9828884^2 + 1898721^2 .

It is an emirp because it is prime and its reverse (792121201212001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100212102121297 is a prime.

It is not a weakly prime, because it can be changed into another prime (100212102121237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50106051060648 + 50106051060649.

It is an arithmetic number, because the mean of its divisors is an integer number (50106051060649).

Almost surely, 2^{100212102121297} is an apocalyptic number.

It is an amenable number.

100212102121297 is a deficient number, since it is larger than the sum of its proper divisors (1).

100212102121297 is an equidigital number, since it uses as much as digits as its factorization.

100212102121297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 31.

Adding to 100212102121297 its reverse (792121201212001), we get a palindrome (892333303333298).

The spelling of 100212102121297 in words is "one hundred trillion, two hundred twelve billion, one hundred two million, one hundred twenty-one thousand, two hundred ninety-seven".