22011122210001 has 4 divisors (see below), whose sum is σ = 29348162946672. Its totient is φ = 14674081473332.

The previous prime is 22011122209913. The next prime is 22011122210039. The reversal of 22011122210001 is 10001222111022.

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 22011122210001 - 2²³ = 22011113821393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22011122210401) 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, 3668520368331 + ... + 3668520368336.

It is an arithmetic number, because the mean of its divisors is an integer number (7337040736668).

Almost surely, 2^{22011122210001} is an apocalyptic number.

It is an amenable number.

22011122210001 is a deficient number, since it is larger than the sum of its proper divisors (7337040736671).

22011122210001 is an equidigital number, since it uses as much as digits as its factorization.

22011122210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7337040736670.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22011122210001 its reverse (10001222111022), we get a palindrome (32012344321023).

The spelling of 22011122210001 in words is "twenty-two trillion, eleven billion, one hundred twenty-two million, two hundred ten thousand, one".