21210212002183 has 2 divisors, whose sum is σ = 21210212002184. Its totient is φ = 21210212002182.

The previous prime is 21210212002157. The next prime is 21210212002261. The reversal of 21210212002183 is 38120021201212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21210212002183 - 2¹³ = 21210211993991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21210212002283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10605106001091 + 10605106001092.

It is an arithmetic number, because the mean of its divisors is an integer number (10605106001092).

Almost surely, 2^{21210212002183} is an apocalyptic number.

21210212002183 is a deficient number, since it is larger than the sum of its proper divisors (1).

21210212002183 is an equidigital number, since it uses as much as digits as its factorization.

21210212002183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 21210212002183 its reverse (38120021201212), we get a palindrome (59330233203395).

The spelling of 21210212002183 in words is "twenty-one trillion, two hundred ten billion, two hundred twelve million, two thousand, one hundred eighty-three".