221022122000011 has 4 divisors (see below), whose sum is σ = 228643574482800. Its totient is φ = 213400669517224.

The previous prime is 221022121999999. The next prime is 221022122000093. The reversal of 221022122000011 is 110000221220122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 221022122000011 - 2⁵ = 221022121999979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221022122000111) 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, 3810726241351 + ... + 3810726241408.

It is an arithmetic number, because the mean of its divisors is an integer number (57160893620700).

Almost surely, 2^{221022122000011} is an apocalyptic number.

221022122000011 is a deficient number, since it is larger than the sum of its proper divisors (7621452482789).

221022122000011 is an equidigital number, since it uses as much as digits as its factorization.

221022122000011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7621452482788.

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

Adding to 221022122000011 its reverse (110000221220122), we get a palindrome (331022343220133).

The spelling of 221022122000011 in words is "two hundred twenty-one trillion, twenty-two billion, one hundred twenty-two million, eleven", and thus it is an aban number.