21333112022 has 4 divisors (see below), whose sum is σ = 31999668036. Its totient is φ = 10666556010.

The previous prime is 21333111983. The next prime is 21333112039. The reversal of 21333112022 is 22021133312.

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 = 21333111985 and 21333112003.

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, 5333278004 + ... + 5333278007.

It is an arithmetic number, because the mean of its divisors is an integer number (7999917009).

Almost surely, 2^21333112022 is an apocalyptic number.

21333112022 is a deficient number, since it is larger than the sum of its proper divisors (10666556014).

21333112022 is a wasteful number, since it uses less digits than its factorization.

21333112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10666556013.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21333112022 its reverse (22021133312), we get a palindrome (43354245334).

The spelling of 21333112022 in words is "twenty-one billion, three hundred thirty-three million, one hundred twelve thousand, twenty-two".