10200442033421 has 2 divisors, whose sum is σ = 10200442033422. Its totient is φ = 10200442033420.

The previous prime is 10200442033339. The next prime is 10200442033423. The reversal of 10200442033421 is 12433024400201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5753214799396 + 4447227234025 = 2398586^2 + 2108845^2 .

It is an emirp because it is prime and its reverse (12433024400201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10200442033421 - 2³⁸ = 9925564126477 is a prime.

Together with 10200442033423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10200442033423) 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, 5100221016710 + 5100221016711.

It is an arithmetic number, because the mean of its divisors is an integer number (5100221016711).

Almost surely, 2^{10200442033421} is an apocalyptic number.

It is an amenable number.

10200442033421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10200442033421 is an equidigital number, since it uses as much as digits as its factorization.

10200442033421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 10200442033421 its reverse (12433024400201), we get a palindrome (22633466433622).

The spelling of 10200442033421 in words is "ten trillion, two hundred billion, four hundred forty-two million, thirty-three thousand, four hundred twenty-one".