21113342363 has 2 divisors, whose sum is σ = 21113342364. Its totient is φ = 21113342362.

The previous prime is 21113342359. The next prime is 21113342473. The reversal of 21113342363 is 36324331112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21113342363 - 2² = 21113342359 is a prime.

It is not a weakly prime, because it can be changed into another prime (21113342353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10556671181 + 10556671182.

It is an arithmetic number, because the mean of its divisors is an integer number (10556671182).

Almost surely, 2^21113342363 is an apocalyptic number.

21113342363 is a deficient number, since it is larger than the sum of its proper divisors (1).

21113342363 is an equidigital number, since it uses as much as digits as its factorization.

21113342363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 29.

Adding to 21113342363 its reverse (36324331112), we get a palindrome (57437673475).

The spelling of 21113342363 in words is "twenty-one billion, one hundred thirteen million, three hundred forty-two thousand, three hundred sixty-three".