10011301021 has 4 divisors (see below), whose sum is σ = 10016005500. Its totient is φ = 10006596544.

The previous prime is 10011301019. The next prime is 10011301031. The reversal of 10011301021 is 12010311001.

10011301021 is digitally balanced in base 3, 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.

It can be written as a sum of positive squares in 2 ways, for example, as 4321616121 + 5689684900 = 65739^2 + 75430^2 .

It is a cyclic number.

It is not a de Polignac number, because 10011301021 - 2¹ = 10011301019 is a prime.

It is a super-2 number, since 2×10011301021² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10011300989 and 10011301007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011301031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2349046 + ... + 2353303.

It is an arithmetic number, because the mean of its divisors is an integer number (2504001375).

Almost surely, 2^10011301021 is an apocalyptic number.

It is an amenable number.

10011301021 is a deficient number, since it is larger than the sum of its proper divisors (4704479).

10011301021 is an equidigital number, since it uses as much as digits as its factorization.

10011301021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4704478.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 10011301021 its reverse (12010311001), we get a palindrome (22021612022).

The spelling of 10011301021 in words is "ten billion, eleven million, three hundred one thousand, twenty-one".