10210201021 has 4 divisors (see below), whose sum is σ = 10303872700. Its totient is φ = 10116529344.

The previous prime is 10210200997. The next prime is 10210201031. The reversal of 10210201021 is 12010201201.

10210201021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12010201201 = 29 ⋅414144869.

It can be written as a sum of positive squares in 2 ways, for example, as 5488587225 + 4721613796 = 74085^2 + 68714^2 .

It is a cyclic number.

It is not a de Polignac number, because 10210201021 - 2⁹ = 10210200509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10210200989 and 10210201007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210201031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46835676 + ... + 46835893.

It is an arithmetic number, because the mean of its divisors is an integer number (2575968175).

Almost surely, 2^10210201021 is an apocalyptic number.

It is an amenable number.

10210201021 is a deficient number, since it is larger than the sum of its proper divisors (93671679).

10210201021 is an equidigital number, since it uses as much as digits as its factorization.

10210201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93671678.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10210201021 its reverse (12010201201), we get a palindrome (22220402222).

The spelling of 10210201021 in words is "ten billion, two hundred ten million, two hundred one thousand, twenty-one".