22331011221001 has 16 divisors (see below), whose sum is σ = 27098950892544. Its totient is φ = 17963899582464.

The previous prime is 22331011220989. The next prime is 22331011221037. The reversal of 22331011221001 is 10012211013322.

It is a cyclic number.

It is not a de Polignac number, because 22331011221001 - 2⁷ = 22331011220873 is a prime.

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 22331011221001.

It is not an unprimeable number, because it can be changed into a prime (22331011221061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265759065 + ... + 265843078.

It is an arithmetic number, because the mean of its divisors is an integer number (1693684430784).

Almost surely, 2^{22331011221001} is an apocalyptic number.

It is an amenable number.

22331011221001 is a deficient number, since it is larger than the sum of its proper divisors (4767939671543).

22331011221001 is a wasteful number, since it uses less digits than its factorization.

22331011221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531602520.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 22331011221001 its reverse (10012211013322), we get a palindrome (32343222234323).

The spelling of 22331011221001 in words is "twenty-two trillion, three hundred thirty-one billion, eleven million, two hundred twenty-one thousand, one".