2010321021 has 8 divisors (see below), whose sum is σ = 2691551104. Its totient is φ = 1334652480.

The previous prime is 2010321013. The next prime is 2010321059. The reversal of 2010321021 is 1201230102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2010321021 - 2³ = 2010321013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2010320988 and 2010321006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010321121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1389541 + ... + 1390986.

It is an arithmetic number, because the mean of its divisors is an integer number (336443888).

Almost surely, 2^2010321021 is an apocalyptic number.

It is an amenable number.

2010321021 is a deficient number, since it is larger than the sum of its proper divisors (681230083).

2010321021 is a wasteful number, since it uses less digits than its factorization.

2010321021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780771.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2010321021 is about 44836.6035845714. The cubic root of 2010321021 is about 1262.0846110609.

Adding to 2010321021 its reverse (1201230102), we get a palindrome (3211551123).

The spelling of 2010321021 in words is "two billion, ten million, three hundred twenty-one thousand, twenty-one".