21113013022 has 8 divisors (see below), whose sum is σ = 31670148672. Its totient is φ = 10556296800.

The previous prime is 21113013013. The next prime is 21113013037. The reversal of 21113013022 is 22031031112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 21113012987 and 21113013005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104947 + ... + 230737.

It is an arithmetic number, because the mean of its divisors is an integer number (3958768584).

Almost surely, 2^21113013022 is an apocalyptic number.

21113013022 is a deficient number, since it is larger than the sum of its proper divisors (10557135650).

21113013022 is a wasteful number, since it uses less digits than its factorization.

21113013022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209714.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21113013022 its reverse (22031031112), we get a palindrome (43144044134).

The spelling of 21113013022 in words is "twenty-one billion, one hundred thirteen million, thirteen thousand, twenty-two".