2021230151 has 2 divisors, whose sum is σ = 2021230152. Its totient is φ = 2021230150.

The previous prime is 2021230129. The next prime is 2021230153. The reversal of 2021230151 is 1510321202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021230151 is a prime.

It is a super-2 number, since 2×2021230151² = 8170742646622965602, which contains 22 as substring.

Together with 2021230153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021230153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010615075 + 1010615076.

It is an arithmetic number, because the mean of its divisors is an integer number (1010615076).

Almost surely, 2^2021230151 is an apocalyptic number.

2021230151 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021230151 is an equidigital number, since it uses as much as digits as its factorization.

2021230151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2021230151 is about 44958.0932758497. The cubic root of 2021230151 is about 1264.3634204350.

Adding to 2021230151 its reverse (1510321202), we get a palindrome (3531551353).

The spelling of 2021230151 in words is "two billion, twenty-one million, two hundred thirty thousand, one hundred fifty-one".