22112121111011 has 8 divisors (see below), whose sum is σ = 22169646552144. Its totient is φ = 22054604853600.

The previous prime is 22112121111001. The next prime is 22112121111019. The reversal of 22112121111011 is 11011112121122.

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

It is a cyclic number.

It is not a de Polignac number, because 22112121111011 - 2¹⁴ = 22112121094627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22112121111019) 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, 2539061 + ... + 7118361.

It is an arithmetic number, because the mean of its divisors is an integer number (2771205819018).

Almost surely, 2^{22112121111011} is an apocalyptic number.

22112121111011 is a deficient number, since it is larger than the sum of its proper divisors (57525441133).

22112121111011 is a wasteful number, since it uses less digits than its factorization.

22112121111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4591861.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 22112121111011 its reverse (11011112121122), we get a palindrome (33123233232133).

The spelling of 22112121111011 in words is "twenty-two trillion, one hundred twelve billion, one hundred twenty-one million, one hundred eleven thousand, eleven".