21122341122 has 8 divisors (see below), whose sum is σ = 42244682256. Its totient is φ = 7040780372.

The previous prime is 21122341117. The next prime is 21122341183. The reversal of 21122341122 is 22114322112.

It is a happy number.

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

21122341122 is an admirable number.

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, 1760195088 + ... + 1760195099.

It is an arithmetic number, because the mean of its divisors is an integer number (5280585282).

Almost surely, 2^21122341122 is an apocalyptic number.

21122341122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21122341122 is a wasteful number, since it uses less digits than its factorization.

21122341122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3520390192.

The product of its digits is 384, while the sum is 21.

Adding to 21122341122 its reverse (22114322112), we get a palindrome (43236663234).

The spelling of 21122341122 in words is "twenty-one billion, one hundred twenty-two million, three hundred forty-one thousand, one hundred twenty-two".