22221112011011 has 8 divisors (see below), whose sum is σ = 23190785196480. Its totient is φ = 21265000688512.

The previous prime is 22221112010899. The next prime is 22221112011013. The reversal of 22221112011011 is 11011021112222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22221112011011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22221112011013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3390462395 + ... + 3390468948.

It is an arithmetic number, because the mean of its divisors is an integer number (2898848149560).

Almost surely, 2^{22221112011011} is an apocalyptic number.

22221112011011 is a deficient number, since it is larger than the sum of its proper divisors (969673185469).

22221112011011 is a wasteful number, since it uses less digits than its factorization.

22221112011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6780931485.

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

Adding to 22221112011011 its reverse (11011021112222), we get a palindrome (33232133123233).

The spelling of 22221112011011 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred twelve million, eleven thousand, eleven".