21232113213022 has 4 divisors (see below), whose sum is σ = 31848169819536. Its totient is φ = 10616056606510.

The previous prime is 21232113213011. The next prime is 21232113213049. The reversal of 21232113213022 is 22031231123212.

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

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, 5308028303254 + ... + 5308028303257.

It is an arithmetic number, because the mean of its divisors is an integer number (7962042454884).

Almost surely, 2^{21232113213022} is an apocalyptic number.

21232113213022 is a deficient number, since it is larger than the sum of its proper divisors (10616056606514).

21232113213022 is a wasteful number, since it uses less digits than its factorization.

21232113213022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10616056606513.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 21232113213022 its reverse (22031231123212), we get a palindrome (43263344336234).

The spelling of 21232113213022 in words is "twenty-one trillion, two hundred thirty-two billion, one hundred thirteen million, two hundred thirteen thousand, twenty-two".