2132023021 has 2 divisors, whose sum is σ = 2132023022. Its totient is φ = 2132023020.

The previous prime is 2132022983. The next prime is 2132023027. The reversal of 2132023021 is 1203202312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2109564900 + 22458121 = 45930^2 + 4739^2 .

It is a cyclic number.

It is not a de Polignac number, because 2132023021 - 2¹¹ = 2132020973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2132022986 and 2132023004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2132023027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066011510 + 1066011511.

It is an arithmetic number, because the mean of its divisors is an integer number (1066011511).

Almost surely, 2^2132023021 is an apocalyptic number.

It is an amenable number.

2132023021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2132023021 is an equidigital number, since it uses as much as digits as its factorization.

2132023021 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 2132023021 is about 46173.8348093376. The cubic root of 2132023021 is about 1287.0555645268.

Adding to 2132023021 its reverse (1203202312), we get a palindrome (3335225333).

The spelling of 2132023021 in words is "two billion, one hundred thirty-two million, twenty-three thousand, twenty-one".