2010123021 has 16 divisors (see below), whose sum is σ = 2748303360. Its totient is φ = 1306144560.

The previous prime is 2010123007. The next prime is 2010123043. The reversal of 2010123021 is 1203210102.

It is not a de Polignac number, because 2010123021 - 2⁷ = 2010122893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2010122988 and 2010123006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010124021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45526 + ... + 78056.

It is an arithmetic number, because the mean of its divisors is an integer number (171768960).

Almost surely, 2^2010123021 is an apocalyptic number.

It is an amenable number.

2010123021 is a deficient number, since it is larger than the sum of its proper divisors (738180339).

2010123021 is a wasteful number, since it uses less digits than its factorization.

2010123021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33056.

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

The square root of 2010123021 is about 44834.3955128203. The cubic root of 2010123021 is about 1262.0431747339.

Adding to 2010123021 its reverse (1203210102), we get a palindrome (3213333123).

The spelling of 2010123021 in words is "two billion, ten million, one hundred twenty-three thousand, twenty-one".