21202323232022 has 4 divisors (see below), whose sum is σ = 31803484848036. Its totient is φ = 10601161616010.

The previous prime is 21202323232019. The next prime is 21202323232033. The reversal of 21202323232022 is 22023232320212.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 21202323231982 and 21202323232000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5300580808004 + ... + 5300580808007.

It is an arithmetic number, because the mean of its divisors is an integer number (7950871212009).

Almost surely, 2^{21202323232022} is an apocalyptic number.

21202323232022 is a deficient number, since it is larger than the sum of its proper divisors (10601161616014).

21202323232022 is a wasteful number, since it uses less digits than its factorization.

21202323232022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10601161616013.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 21202323232022 its reverse (22023232320212), we get a palindrome (43225555552234).

The spelling of 21202323232022 in words is "twenty-one trillion, two hundred two billion, three hundred twenty-three million, two hundred thirty-two thousand, twenty-two".