22201102001 has 16 divisors (see below), whose sum is σ = 24515268624. Its totient is φ = 19978493184.

The previous prime is 22201101997. The next prime is 22201102003. The reversal of 22201102001 is 10020110222.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1407750400 + 20793351601 = 37520^2 + 144199^2 .

It is not a de Polignac number, because 22201102001 - 2² = 22201101997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22201102003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5555 + ... + 210791.

It is an arithmetic number, because the mean of its divisors is an integer number (1532204289).

Almost surely, 2^22201102001 is an apocalyptic number.

It is an amenable number.

22201102001 is a deficient number, since it is larger than the sum of its proper divisors (2314166623).

22201102001 is a wasteful number, since it uses less digits than its factorization.

22201102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205460.

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

Adding to 22201102001 its reverse (10020110222), we get a palindrome (32221212223).

The spelling of 22201102001 in words is "twenty-two billion, two hundred one million, one hundred two thousand, one".