10001233021001 has 2 divisors, whose sum is σ = 10001233021002. Its totient is φ = 10001233021000.

The previous prime is 10001233020997. The next prime is 10001233021009. The reversal of 10001233021001 is 10012033210001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7297102729225 + 2704130291776 = 2701315^2 + 1644424^2 .

It is an emirp because it is prime and its reverse (10012033210001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10001233021001 - 2² = 10001233020997 is a prime.

It is not a weakly prime, because it can be changed into another prime (10001233021009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000616510500 + 5000616510501.

It is an arithmetic number, because the mean of its divisors is an integer number (5000616510501).

Almost surely, 2^{10001233021001} is an apocalyptic number.

It is an amenable number.

10001233021001 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001233021001 is an equidigital number, since it uses as much as digits as its factorization.

10001233021001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10001233021001 its reverse (10012033210001), we get a palindrome (20013266231002).

The spelling of 10001233021001 in words is "ten trillion, one billion, two hundred thirty-three million, twenty-one thousand, one".