21002122022183 has 2 divisors, whose sum is σ = 21002122022184. Its totient is φ = 21002122022182.

The previous prime is 21002122022179. The next prime is 21002122022207. The reversal of 21002122022183 is 38122022120012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21002122022183 - 2² = 21002122022179 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21002125022183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10501061011091 + 10501061011092.

It is an arithmetic number, because the mean of its divisors is an integer number (10501061011092).

Almost surely, 2^{21002122022183} is an apocalyptic number.

21002122022183 is a deficient number, since it is larger than the sum of its proper divisors (1).

21002122022183 is an equidigital number, since it uses as much as digits as its factorization.

21002122022183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 21002122022183 its reverse (38122022120012), we get a palindrome (59124144142195).

The spelling of 21002122022183 in words is "twenty-one trillion, two billion, one hundred twenty-two million, twenty-two thousand, one hundred eighty-three".