22220001010001 has 4 divisors (see below), whose sum is σ = 22262486672112. Its totient is φ = 22177515347892.

The previous prime is 22220001009989. The next prime is 22220001010003. The reversal of 22220001010001 is 10001010002222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22220001010001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22220001010003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21242830271 + ... + 21242831316.

It is an arithmetic number, because the mean of its divisors is an integer number (5565621668028).

Almost surely, 2^{22220001010001} is an apocalyptic number.

It is an amenable number.

22220001010001 is a deficient number, since it is larger than the sum of its proper divisors (42485662111).

22220001010001 is an equidigital number, since it uses as much as digits as its factorization.

22220001010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42485662110.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22220001010001 its reverse (10001010002222), we get a palindrome (32221011012223).

The spelling of 22220001010001 in words is "twenty-two trillion, two hundred twenty billion, one million, ten thousand, one".