22121310401 has 8 divisors (see below), whose sum is σ = 23427460224. Its totient is φ = 20815704640.

The previous prime is 22121310349. The next prime is 22121310427. The reversal of 22121310401 is 10401312122.

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

It is a cyclic number.

It is not a de Polignac number, because 22121310401 - 2¹⁴ = 22121294017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22121310401.

It is not an unprimeable number, because it can be changed into a prime (22121310451) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 50765 + ... + 216378.

It is an arithmetic number, because the mean of its divisors is an integer number (2928432528).

Almost surely, 2^22121310401 is an apocalyptic number.

It is an amenable number.

22121310401 is a deficient number, since it is larger than the sum of its proper divisors (1306149823).

22121310401 is a wasteful number, since it uses less digits than its factorization.

22121310401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272031.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22121310401 its reverse (10401312122), we get a palindrome (32522622523).

The spelling of 22121310401 in words is "twenty-two billion, one hundred twenty-one million, three hundred ten thousand, four hundred one".