22121300322211 has 4 divisors (see below), whose sum is σ = 22121309743624. Its totient is φ = 22121290900800.

The previous prime is 22121300322169. The next prime is 22121300322221. The reversal of 22121300322211 is 11222300312122.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22121300322211 - 2⁹ = 22121300321699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22121300322221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1960051 + ... + 6934291.

It is an arithmetic number, because the mean of its divisors is an integer number (5530327435906).

Almost surely, 2^{22121300322211} is an apocalyptic number.

22121300322211 is a deficient number, since it is larger than the sum of its proper divisors (9421413).

22121300322211 is an equidigital number, since it uses as much as digits as its factorization.

22121300322211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9421412.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 22121300322211 its reverse (11222300312122), we get a palindrome (33343600634333).

The spelling of 22121300322211 in words is "twenty-two trillion, one hundred twenty-one billion, three hundred million, three hundred twenty-two thousand, two hundred eleven".