21202201322023 has 2 divisors, whose sum is σ = 21202201322024. Its totient is φ = 21202201322022.

The previous prime is 21202201322021. The next prime is 21202201322039. The reversal of 21202201322023 is 32022310220212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21202201322023 - 2¹ = 21202201322021 is a prime.

Together with 21202201322021, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 21202201321985 and 21202201322003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21202201322021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10601100661011 + 10601100661012.

It is an arithmetic number, because the mean of its divisors is an integer number (10601100661012).

Almost surely, 2^{21202201322023} is an apocalyptic number.

21202201322023 is a deficient number, since it is larger than the sum of its proper divisors (1).

21202201322023 is an equidigital number, since it uses as much as digits as its factorization.

21202201322023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 21202201322023 its reverse (32022310220212), we get a palindrome (53224511542235).

The spelling of 21202201322023 in words is "twenty-one trillion, two hundred two billion, two hundred one million, three hundred twenty-two thousand, twenty-three".