22022120112001 has 4 divisors (see below), whose sum is σ = 22045523003604. Its totient is φ = 21998717220400.

The previous prime is 22022120111993. The next prime is 22022120112007. The reversal of 22022120112001 is 10021102122022.

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 18995859763776 + 3026260348225 = 4358424^2 + 1739615^2 .

It is a cyclic number.

It is not a de Polignac number, because 22022120112001 - 2³ = 22022120111993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22022120112007) 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, 11701444390 + ... + 11701446271.

It is an arithmetic number, because the mean of its divisors is an integer number (5511380750901).

Almost surely, 2^{22022120112001} is an apocalyptic number.

It is an amenable number.

22022120112001 is a deficient number, since it is larger than the sum of its proper divisors (23402891603).

22022120112001 is an equidigital number, since it uses as much as digits as its factorization.

22022120112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23402891602.

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

Adding to 22022120112001 its reverse (10021102122022), we get a palindrome (32043222234023).

The spelling of 22022120112001 in words is "twenty-two trillion, twenty-two billion, one hundred twenty million, one hundred twelve thousand, one".