22120122111011 has 4 divisors (see below), whose sum is σ = 22400123656800. Its totient is φ = 21840120565224.

The previous prime is 22120122110993. The next prime is 22120122111193. The reversal of 22120122111011 is 11011122102122.

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

It is a cyclic number.

It is not a de Polignac number, because 22120122111011 - 2³⁸ = 21845244204067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22120122111211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140000772776 + ... + 140000772933.

It is an arithmetic number, because the mean of its divisors is an integer number (5600030914200).

Almost surely, 2^{22120122111011} is an apocalyptic number.

22120122111011 is a deficient number, since it is larger than the sum of its proper divisors (280001545789).

22120122111011 is an equidigital number, since it uses as much as digits as its factorization.

22120122111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280001545788.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22120122111011 its reverse (11011122102122), we get a palindrome (33131244213133).

The spelling of 22120122111011 in words is "twenty-two trillion, one hundred twenty billion, one hundred twenty-two million, one hundred eleven thousand, eleven".