21120403022 has 8 divisors (see below), whose sum is σ = 31930058496. Its totient is φ = 10477050192.

The previous prime is 21120402949. The next prime is 21120403049. The reversal of 21120403022 is 22030402112.

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

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, 41575343 + ... + 41575850.

It is an arithmetic number, because the mean of its divisors is an integer number (3991257312).

Almost surely, 2^21120403022 is an apocalyptic number.

21120403022 is a deficient number, since it is larger than the sum of its proper divisors (10809655474).

21120403022 is a wasteful number, since it uses less digits than its factorization.

21120403022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83151322.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 21120403022 its reverse (22030402112), we get a palindrome (43150805134).

The spelling of 21120403022 in words is "twenty-one billion, one hundred twenty million, four hundred three thousand, twenty-two".