11342302021 has 2 divisors, whose sum is σ = 11342302022. Its totient is φ = 11342302020.

The previous prime is 11342302019. The next prime is 11342302031. The reversal of 11342302021 is 12020324311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6640457121 + 4701844900 = 81489^2 + 68570^2 .

It is an emirp because it is prime and its reverse (12020324311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11342302021 - 2¹ = 11342302019 is a prime.

Together with 11342302019, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11342302021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11342302001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5671151010 + 5671151011.

It is an arithmetic number, because the mean of its divisors is an integer number (5671151011).

Almost surely, 2^11342302021 is an apocalyptic number.

It is an amenable number.

11342302021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11342302021 is an equidigital number, since it uses as much as digits as its factorization.

11342302021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11342302021 its reverse (12020324311), we get a palindrome (23362626332).

The spelling of 11342302021 in words is "eleven billion, three hundred forty-two million, three hundred two thousand, twenty-one".