22001120122201 has 4 divisors (see below), whose sum is σ = 24001221951504. Its totient is φ = 20001018292900.

The previous prime is 22001120122171. The next prime is 22001120122207. The reversal of 22001120122201 is 10222102110022.

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 not a de Polignac number, because 22001120122201 - 2¹⁹ = 22001119597913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22001120122207) 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, 1000050914635 + ... + 1000050914656.

It is an arithmetic number, because the mean of its divisors is an integer number (6000305487876).

Almost surely, 2^{22001120122201} is an apocalyptic number.

It is an amenable number.

22001120122201 is a deficient number, since it is larger than the sum of its proper divisors (2000101829303).

22001120122201 is a wasteful number, since it uses less digits than its factorization.

22001120122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000101829302.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22001120122201 its reverse (10222102110022), we get a palindrome (32223222232223).

The spelling of 22001120122201 in words is "twenty-two trillion, one billion, one hundred twenty million, one hundred twenty-two thousand, two hundred one".