21022132301 has 2 divisors, whose sum is σ = 21022132302. Its totient is φ = 21022132300.

The previous prime is 21022132283. The next prime is 21022132303. The reversal of 21022132301 is 10323122012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19475598025 + 1546534276 = 139555^2 + 39326^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21022132301 is a prime.

Together with 21022132303, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21022132301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21022132303) 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, 10511066150 + 10511066151.

It is an arithmetic number, because the mean of its divisors is an integer number (10511066151).

Almost surely, 2^21022132301 is an apocalyptic number.

It is an amenable number.

21022132301 is a deficient number, since it is larger than the sum of its proper divisors (1).

21022132301 is an equidigital number, since it uses as much as digits as its factorization.

21022132301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21022132301 its reverse (10323122012), we get a palindrome (31345254313).

The spelling of 21022132301 in words is "twenty-one billion, twenty-two million, one hundred thirty-two thousand, three hundred one".