10202121120047 has 2 divisors, whose sum is σ = 10202121120048. Its totient is φ = 10202121120046.

The previous prime is 10202121119989. The next prime is 10202121120053. The reversal of 10202121120047 is 74002112120201.

It is a strong prime.

It is an emirp because it is prime and its reverse (74002112120201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10202121120047 - 2⁸ = 10202121119791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10202121120547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101060560023 + 5101060560024.

It is an arithmetic number, because the mean of its divisors is an integer number (5101060560024).

Almost surely, 2^{10202121120047} is an apocalyptic number.

10202121120047 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202121120047 is an equidigital number, since it uses as much as digits as its factorization.

10202121120047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 10202121120047 its reverse (74002112120201), we get a palindrome (84204233240248).

The spelling of 10202121120047 in words is "ten trillion, two hundred two billion, one hundred twenty-one million, one hundred twenty thousand, forty-seven".