10201001 has 2 divisors, whose sum is σ = 10201002. Its totient is φ = 10201000.

The previous prime is 10200991. The next prime is 10201007. The reversal of 10201001 is 10010201.

It is a happy number.

10201001 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8549776 + 1651225 = 2924^2 + 1285^2 .

It is a cyclic number.

It is not a de Polignac number, because 10201001 - 2¹⁰ = 10199977 is a prime.

It is not a weakly prime, because it can be changed into another prime (10201007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100500 + 5100501.

It is an arithmetic number, because the mean of its divisors is an integer number (5100501).

Almost surely, 2^10201001 is an apocalyptic number.

It is an amenable number.

10201001 is a deficient number, since it is larger than the sum of its proper divisors (1).

10201001 is an equidigital number, since it uses as much as digits as its factorization.

10201001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 10201001 is about 3193.9005933185. The cubic root of 10201001 is about 216.8773826446.

Adding to 10201001 its reverse (10010201), we get a palindrome (20211202).

Multiplying 10201001 by its reverse (10010201), we get a palindrome (102114070411201).

The spelling of 10201001 in words is "ten million, two hundred one thousand, one".