2010310021 has 4 divisors (see below), whose sum is σ = 2018721600. Its totient is φ = 2001898444.

The previous prime is 2010310013. The next prime is 2010310037. The reversal of 2010310021 is 1200130102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1200130102 = 2 ⋅600065051.

It is a cyclic number.

It is not a de Polignac number, because 2010310021 - 2³ = 2010310013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010310091) 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, 4205431 + ... + 4205908.

It is an arithmetic number, because the mean of its divisors is an integer number (504680400).

Almost surely, 2^2010310021 is an apocalyptic number.

It is an amenable number.

2010310021 is a deficient number, since it is larger than the sum of its proper divisors (8411579).

2010310021 is an equidigital number, since it uses as much as digits as its factorization.

2010310021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8411578.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 2010310021 is about 44836.4809167713. The cubic root of 2010310021 is about 1262.0823091141.

Adding to 2010310021 its reverse (1200130102), we get a palindrome (3210440123).

The spelling of 2010310021 in words is "two billion, ten million, three hundred ten thousand, twenty-one".