302132011021 has 2 divisors, whose sum is σ = 302132011022. Its totient is φ = 302132011020.

The previous prime is 302132011019. The next prime is 302132011079. The reversal of 302132011021 is 120110231203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 302127214921 + 4796100 = 549661^2 + 2190^2 .

It is an emirp because it is prime and its reverse (120110231203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 302132011021 - 2¹ = 302132011019 is a prime.

Together with 302132011019, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 302132010986 and 302132011004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (302132011091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151066005510 + 151066005511.

It is an arithmetic number, because the mean of its divisors is an integer number (151066005511).

Almost surely, 2^302132011021 is an apocalyptic number.

It is an amenable number.

302132011021 is a deficient number, since it is larger than the sum of its proper divisors (1).

302132011021 is an equidigital number, since it uses as much as digits as its factorization.

302132011021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 302132011021 its reverse (120110231203), we get a palindrome (422242242224).

The spelling of 302132011021 in words is "three hundred two billion, one hundred thirty-two million, eleven thousand, twenty-one".