22121355364 has 12 divisors (see below), whose sum is σ = 38813451264. Its totient is φ = 11031797864.

The previous prime is 22121355341. The next prime is 22121355371. The reversal of 22121355364 is 46355312122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7218232 + ... + 7221295.

It is an arithmetic number, because the mean of its divisors is an integer number (3234454272).

Almost surely, 2^22121355364 is an apocalyptic number.

It is an amenable number.

22121355364 is a deficient number, since it is larger than the sum of its proper divisors (16692095900).

22121355364 is a wasteful number, since it uses less digits than its factorization.

22121355364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14439914 (or 14439912 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

Adding to 22121355364 its reverse (46355312122), we get a palindrome (68476667486).

The spelling of 22121355364 in words is "twenty-two billion, one hundred twenty-one million, three hundred fifty-five thousand, three hundred sixty-four".