22201020001 has 8 divisors (see below), whose sum is σ = 23626290600. Its totient is φ = 20789008128.

The previous prime is 22201019999. The next prime is 22201020019. The reversal of 22201020001 is 10002010222.

It can be written as a sum of positive squares in 4 ways, for example, as 18171309601 + 4029710400 = 134801^2 + 63480^2 .

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 22201020001 - 2¹ = 22201019999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22201020001.

It is not an unprimeable number, because it can be changed into a prime (22201020031) 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, 3311226 + ... + 3317923.

It is an arithmetic number, because the mean of its divisors is an integer number (2953286325).

Almost surely, 2^22201020001 is an apocalyptic number.

It is an amenable number.

22201020001 is a deficient number, since it is larger than the sum of its proper divisors (1425270599).

22201020001 is a wasteful number, since it uses less digits than its factorization.

22201020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6629363.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 22201020001 its reverse (10002010222), we get a palindrome (32203030223).

The spelling of 22201020001 in words is "twenty-two billion, two hundred one million, twenty thousand, one".