22121243266 has 8 divisors (see below), whose sum is σ = 33182578944. Its totient is φ = 11060383620.

The previous prime is 22121243227. The next prime is 22121243281. The reversal of 22121243266 is 66234212122.

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

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, 39271 + ... + 213973.

It is an arithmetic number, because the mean of its divisors is an integer number (4147822368).

Almost surely, 2^22121243266 is an apocalyptic number.

22121243266 is a deficient number, since it is larger than the sum of its proper divisors (11061335678).

22121243266 is a wasteful number, since it uses less digits than its factorization.

22121243266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238016.

The product of its digits is 13824, while the sum is 31.

Adding to 22121243266 its reverse (66234212122), we get a palindrome (88355455388).

The spelling of 22121243266 in words is "twenty-two billion, one hundred twenty-one million, two hundred forty-three thousand, two hundred sixty-six".