22121226124 has 24 divisors (see below), whose sum is σ = 39378124800. Its totient is φ = 10870427280.

The previous prime is 22121226089. The next prime is 22121226133. The reversal of 22121226124 is 42162212122.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1198929 + ... + 1217239.

It is an arithmetic number, because the mean of its divisors is an integer number (1640755200).

Almost surely, 2^22121226124 is an apocalyptic number.

It is an amenable number.

22121226124 is a deficient number, since it is larger than the sum of its proper divisors (17256898676).

22121226124 is a wasteful number, since it uses less digits than its factorization.

22121226124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23493 (or 23491 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

Adding to 22121226124 its reverse (42162212122), we get a palindrome (64283438246).

The spelling of 22121226124 in words is "twenty-two billion, one hundred twenty-one million, two hundred twenty-six thousand, one hundred twenty-four".