2021132371 has 2 divisors, whose sum is σ = 2021132372. Its totient is φ = 2021132370.

The previous prime is 2021132359. The next prime is 2021132381. The reversal of 2021132371 is 1732311202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2021132371 - 2¹⁵ = 2021099603 is a prime.

It is a super-2 number, since 2×2021132371² = 8169952122208163282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2021132341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010566185 + 1010566186.

It is an arithmetic number, because the mean of its divisors is an integer number (1010566186).

Almost surely, 2^2021132371 is an apocalyptic number.

2021132371 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021132371 is an equidigital number, since it uses as much as digits as its factorization.

2021132371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 2021132371 is about 44957.0058055471. The cubic root of 2021132371 is about 1264.3430316223.

Adding to 2021132371 its reverse (1732311202), we get a palindrome (3753443573).

The spelling of 2021132371 in words is "two billion, twenty-one million, one hundred thirty-two thousand, three hundred seventy-one".