10001030201021 has 2 divisors, whose sum is σ = 10001030201022. Its totient is φ = 10001030201020.

The previous prime is 10001030201011. The next prime is 10001030201023. The reversal of 10001030201021 is 12010203010001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7459923213796 + 2541106987225 = 2731286^2 + 1594085^2 .

It is a cyclic number.

It is not a de Polignac number, because 10001030201021 - 2²² = 10001026006717 is a prime.

Together with 10001030201023, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 10001030200993 and 10001030201011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10001030201023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000515100510 + 5000515100511.

It is an arithmetic number, because the mean of its divisors is an integer number (5000515100511).

Almost surely, 2^{10001030201021} is an apocalyptic number.

It is an amenable number.

10001030201021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001030201021 is an equidigital number, since it uses as much as digits as its factorization.

10001030201021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 10001030201021 its reverse (12010203010001), we get a palindrome (22011233211022).

The spelling of 10001030201021 in words is "ten trillion, one billion, thirty million, two hundred one thousand, twenty-one".