22003120001 has 4 divisors (see below), whose sum is σ = 22004091732. Its totient is φ = 22002148272.

The previous prime is 22003119997. The next prime is 22003120067. The reversal of 22003120001 is 10002130022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4133847025 + 17869272976 = 64295^2 + 133676^2 .

It is a cyclic number.

It is not a de Polignac number, because 22003120001 - 2² = 22003119997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22003110001) 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, 451070 + ... + 497463.

It is an arithmetic number, because the mean of its divisors is an integer number (5501022933).

Almost surely, 2^22003120001 is an apocalyptic number.

It is an amenable number.

22003120001 is a deficient number, since it is larger than the sum of its proper divisors (971731).

22003120001 is an equidigital number, since it uses as much as digits as its factorization.

22003120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971730.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 22003120001 its reverse (10002130022), we get a palindrome (32005250023).

The spelling of 22003120001 in words is "twenty-two billion, three million, one hundred twenty thousand, one".