2030142221 has 2 divisors, whose sum is σ = 2030142222. Its totient is φ = 2030142220.

The previous prime is 2030142211. The next prime is 2030142223. The reversal of 2030142221 is 1222410302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1235522500 + 794619721 = 35150^2 + 28189^2 .

It is a cyclic number.

It is not a de Polignac number, because 2030142221 - 2¹⁴ = 2030125837 is a prime.

It is a Sophie Germain prime.

Together with 2030142223, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2030142221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2030142223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015071110 + 1015071111.

It is an arithmetic number, because the mean of its divisors is an integer number (1015071111).

Almost surely, 2^2030142221 is an apocalyptic number.

It is an amenable number.

2030142221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2030142221 is an equidigital number, since it uses as much as digits as its factorization.

2030142221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2030142221 is about 45057.0995626660. The cubic root of 2030142221 is about 1266.2189858920.

Adding to 2030142221 its reverse (1222410302), we get a palindrome (3252552523).

The spelling of 2030142221 in words is "two billion, thirty million, one hundred forty-two thousand, two hundred twenty-one".