2021134203 has 24 divisors (see below), whose sum is σ = 3258889920. Its totient is φ = 1196440560.

The previous prime is 2021134189. The next prime is 2021134229. The reversal of 2021134203 is 3024311202.

It is not a de Polignac number, because 2021134203 - 2²¹ = 2019037051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021134303) 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, 233133 + ... + 241646.

It is an arithmetic number, because the mean of its divisors is an integer number (135787080).

Almost surely, 2^2021134203 is an apocalyptic number.

2021134203 is a deficient number, since it is larger than the sum of its proper divisors (1237755717).

2021134203 is a wasteful number, since it uses less digits than its factorization.

2021134203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474839 (or 474836 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2021134203 is about 44957.0261805649. The cubic root of 2021134203 is about 1264.3434136319.

Adding to 2021134203 its reverse (3024311202), we get a palindrome (5045445405).

The spelling of 2021134203 in words is "two billion, twenty-one million, one hundred thirty-four thousand, two hundred three".