21013022183 has 2 divisors, whose sum is σ = 21013022184. Its totient is φ = 21013022182.

The previous prime is 21013022141. The next prime is 21013022273. The reversal of 21013022183 is 38122031012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21013022183 - 2¹² = 21013018087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21013022983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10506511091 + 10506511092.

It is an arithmetic number, because the mean of its divisors is an integer number (10506511092).

Almost surely, 2^21013022183 is an apocalyptic number.

21013022183 is a deficient number, since it is larger than the sum of its proper divisors (1).

21013022183 is an equidigital number, since it uses as much as digits as its factorization.

21013022183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 21013022183 its reverse (38122031012), we get a palindrome (59135053195).

The spelling of 21013022183 in words is "twenty-one billion, thirteen million, twenty-two thousand, one hundred eighty-three".