121020201210107 has 2 divisors, whose sum is σ = 121020201210108. Its totient is φ = 121020201210106.

The previous prime is 121020201210053. The next prime is 121020201210109. The reversal of 121020201210107 is 701012102020121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121020201210107 - 2³² = 121015906242811 is a prime.

Together with 121020201210109, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (121020201210109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60510100605053 + 60510100605054.

It is an arithmetic number, because the mean of its divisors is an integer number (60510100605054).

Almost surely, 2^{121020201210107} is an apocalyptic number.

121020201210107 is a deficient number, since it is larger than the sum of its proper divisors (1).

121020201210107 is an equidigital number, since it uses as much as digits as its factorization.

121020201210107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 121020201210107 its reverse (701012102020121), we get a palindrome (822032303230228).

The spelling of 121020201210107 in words is "one hundred twenty-one trillion, twenty billion, two hundred one million, two hundred ten thousand, one hundred seven".