2021013033 has 24 divisors (see below), whose sum is σ = 3071501280. Its totient is φ = 1178236800.

The previous prime is 2021012999. The next prime is 2021013077. The reversal of 2021013033 is 3303101202.

It is not a de Polignac number, because 2021013033 - 2⁶ = 2021012969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021013233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95268 + ... + 114533.

It is an arithmetic number, because the mean of its divisors is an integer number (127979220).

Almost surely, 2^2021013033 is an apocalyptic number.

It is an amenable number.

2021013033 is a deficient number, since it is larger than the sum of its proper divisors (1050488247).

2021013033 is a wasteful number, since it uses less digits than its factorization.

2021013033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209849 (or 209836 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 2021013033 is about 44955.6785400910. The cubic root of 2021013033 is about 1264.3181467045.

Adding to 2021013033 its reverse (3303101202), we get a palindrome (5324114235).

The spelling of 2021013033 in words is "two billion, twenty-one million, thirteen thousand, thirty-three".