22122120011011 has 4 divisors (see below), whose sum is σ = 22132143628992. Its totient is φ = 22112096393032.

The previous prime is 22122120011003. The next prime is 22122120011063. The reversal of 22122120011011 is 11011002122122.

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 22122120011011 - 2³ = 22122120011003 is a prime.

It is a super-2 number, since 2×22122120011011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22122120011071) 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, 5011805680 + ... + 5011810093.

It is an arithmetic number, because the mean of its divisors is an integer number (5533035907248).

Almost surely, 2^{22122120011011} is an apocalyptic number.

22122120011011 is a deficient number, since it is larger than the sum of its proper divisors (10023617981).

22122120011011 is a wasteful number, since it uses less digits than its factorization.

22122120011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10023617980.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22122120011011 its reverse (11011002122122), we get a palindrome (33133122133133).

The spelling of 22122120011011 in words is "twenty-two trillion, one hundred twenty-two billion, one hundred twenty million, eleven thousand, eleven".