22120002001201 has 4 divisors (see below), whose sum is σ = 23821540616692. Its totient is φ = 20418463385712.

The previous prime is 22120002001193. The next prime is 22120002001241. The reversal of 22120002001201 is 10210020002122.

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 10547425382400 + 11572576618801 = 3247680^2 + 3401849^2 .

It is a cyclic number.

It is not a de Polignac number, because 22120002001201 - 2³ = 22120002001193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 1701538615477 = 22120002001201 / (2 + 2 + 1 + 2 + 0 + 0 + 0 + 2 + 0 + 0 + 1 + 2 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (22120002001241) 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, 850769307726 + ... + 850769307751.

It is an arithmetic number, because the mean of its divisors is an integer number (5955385154173).

Almost surely, 2^{22120002001201} is an apocalyptic number.

It is an amenable number.

22120002001201 is a deficient number, since it is larger than the sum of its proper divisors (1701538615491).

22120002001201 is a wasteful number, since it uses less digits than its factorization.

22120002001201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701538615490.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22120002001201 its reverse (10210020002122), we get a palindrome (32330022003323).

The spelling of 22120002001201 in words is "twenty-two trillion, one hundred twenty billion, two million, one thousand, two hundred one".