22020012122201 has 4 divisors (see below), whose sum is σ = 22022377077504. Its totient is φ = 22017647166900.

The previous prime is 22020012122191. The next prime is 22020012122237. The reversal of 22020012122201 is 10222121002022.

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 a de Polignac number, because none of the positive numbers 2^k-22020012122201 is a prime.

It is a super-3 number, since 3×22020012122201³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22020012122201.

It is not an unprimeable number, because it can be changed into a prime (22020012122401) 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, 1182463685 + ... + 1182482306.

It is an arithmetic number, because the mean of its divisors is an integer number (5505594269376).

Almost surely, 2^{22020012122201} is an apocalyptic number.

It is an amenable number.

22020012122201 is a deficient number, since it is larger than the sum of its proper divisors (2364955303).

22020012122201 is an equidigital number, since it uses as much as digits as its factorization.

22020012122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364955302.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22020012122201 its reverse (10222121002022), we get a palindrome (32242133124223).

The spelling of 22020012122201 in words is "twenty-two trillion, twenty billion, twelve million, one hundred twenty-two thousand, two hundred one".