10232021200021 has 2 divisors, whose sum is σ = 10232021200022. Its totient is φ = 10232021200020.

The previous prime is 10232021200019. The next prime is 10232021200067. The reversal of 10232021200021 is 12000212023201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9998490637521 + 233530562500 = 3162039^2 + 483250^2 .

It is a cyclic number.

It is not a de Polignac number, because 10232021200021 - 2¹ = 10232021200019 is a prime.

Together with 10232021200019, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 10232021199968 and 10232021200004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10232021200081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5116010600010 + 5116010600011.

It is an arithmetic number, because the mean of its divisors is an integer number (5116010600011).

Almost surely, 2^{10232021200021} is an apocalyptic number.

It is an amenable number.

10232021200021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10232021200021 is an equidigital number, since it uses as much as digits as its factorization.

10232021200021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 10232021200021 its reverse (12000212023201), we get a palindrome (22232233223222).

The spelling of 10232021200021 in words is "ten trillion, two hundred thirty-two billion, twenty-one million, two hundred thousand, twenty-one".