21212022232283 has 2 divisors, whose sum is σ = 21212022232284. Its totient is φ = 21212022232282.

The previous prime is 21212022232243. The next prime is 21212022232309. The reversal of 21212022232283 is 38223222021212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21212022232283 - 2³⁴ = 21194842363099 is a prime.

It is not a weakly prime, because it can be changed into another prime (21212022232243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10606011116141 + 10606011116142.

It is an arithmetic number, because the mean of its divisors is an integer number (10606011116142).

Almost surely, 2^{21212022232283} is an apocalyptic number.

21212022232283 is a deficient number, since it is larger than the sum of its proper divisors (1).

21212022232283 is an equidigital number, since it uses as much as digits as its factorization.

21212022232283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 21212022232283 its reverse (38223222021212), we get a palindrome (59435244253495).

The spelling of 21212022232283 in words is "twenty-one trillion, two hundred twelve billion, twenty-two million, two hundred thirty-two thousand, two hundred eighty-three".