22122222111001 has 8 divisors (see below), whose sum is σ = 22210831134720. Its totient is φ = 22033773758112.

The previous prime is 22122222110981. The next prime is 22122222111043. The reversal of 22122222111001 is 10011122222122.

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 22122222111001 - 2⁹ = 22122222110489 is a prime.

It is a super-2 number, since 2×22122222111001² (a number of 27 digits) contains 22 as substring.

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 22122222111001.

It is not an unprimeable number, because it can be changed into a prime (22122222111601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39891780 + ... + 40442533.

It is an arithmetic number, because the mean of its divisors is an integer number (2776353891840).

Almost surely, 2^{22122222111001} is an apocalyptic number.

It is an amenable number.

22122222111001 is a deficient number, since it is larger than the sum of its proper divisors (88609023719).

22122222111001 is an equidigital number, since it uses as much as digits as its factorization.

22122222111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80335415.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22122222111001 its reverse (10011122222122), we get a palindrome (32133344333123).

The spelling of 22122222111001 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred eleven thousand, one".