22121343101 has 8 divisors (see below), whose sum is σ = 25988710944. Its totient is φ = 18563364720.

The previous prime is 22121343061. The next prime is 22121343137. The reversal of 22121343101 is 10134312122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22121343101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121343191) by changing a digit.

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, 77347211 + ... + 77347496.

It is an arithmetic number, because the mean of its divisors is an integer number (3248588868).

Almost surely, 2^22121343101 is an apocalyptic number.

It is an amenable number.

22121343101 is a deficient number, since it is larger than the sum of its proper divisors (3867367843).

22121343101 is a wasteful number, since it uses less digits than its factorization.

22121343101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154694731.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 22121343101 its reverse (10134312122), we get a palindrome (32255655223).

The spelling of 22121343101 in words is "twenty-two billion, one hundred twenty-one million, three hundred forty-three thousand, one hundred one".