2021231203 has 2 divisors, whose sum is σ = 2021231204. Its totient is φ = 2021231202.

The previous prime is 2021231171. The next prime is 2021231209. The reversal of 2021231203 is 3021321202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2021231203 - 2⁵ = 2021231171 is a prime.

It is not a weakly prime, because it can be changed into another prime (2021231209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010615601 + 1010615602.

It is an arithmetic number, because the mean of its divisors is an integer number (1010615602).

Almost surely, 2^2021231203 is an apocalyptic number.

2021231203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021231203 is an equidigital number, since it uses as much as digits as its factorization.

2021231203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2021231203 is about 44958.1049756326. The cubic root of 2021231203 is about 1264.3636397915.

Adding to 2021231203 its reverse (3021321202), we get a palindrome (5042552405).

It can be divided in two parts, 20212 and 31203, that added together give a palindrome (51415).

The spelling of 2021231203 in words is "two billion, twenty-one million, two hundred thirty-one thousand, two hundred three".