22121342032 has 20 divisors (see below), whose sum is σ = 42867680896. Its totient is φ = 11058714720.

The previous prime is 22121342027. The next prime is 22121342069. The reversal of 22121342032 is 23024312122.

It is a junction number, because it is equal to n+sod(n) for n = 22121341994 and 22121342012.

It is a congruent number.

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, 26718 + ... + 212029.

Almost surely, 2^22121342032 is an apocalyptic number.

It is an amenable number.

22121342032 is a deficient number, since it is larger than the sum of its proper divisors (20746338864).

22121342032 is a wasteful number, since it uses less digits than its factorization.

22121342032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244546 (or 244540 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 22121342032 its reverse (23024312122), we get a palindrome (45145654154).

The spelling of 22121342032 in words is "twenty-two billion, one hundred twenty-one million, three hundred forty-two thousand, thirty-two".