11122212222211 has 8 divisors (see below), whose sum is σ = 11137088709344. Its totient is φ = 11107336222080.

The previous prime is 11122212222181. The next prime is 11122212222239. The reversal of 11122212222211 is 11222221222111.

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 11122212222211 - 2¹⁹ = 11122211697923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11122212252211) 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 7 ways as a sum of consecutive naturals, for example, 87107026 + ... + 87234616.

It is an arithmetic number, because the mean of its divisors is an integer number (1392136088668).

Almost surely, 2^{11122212222211} is an apocalyptic number.

11122212222211 is a deficient number, since it is larger than the sum of its proper divisors (14876487133).

11122212222211 is a wasteful number, since it uses less digits than its factorization.

11122212222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243501.

The product of its digits is 256, while the sum is 22.

Adding to 11122212222211 its reverse (11222221222111), we get a palindrome (22344433444322).

The spelling of 11122212222211 in words is "eleven trillion, one hundred twenty-two billion, two hundred twelve million, two hundred twenty-two thousand, two hundred eleven".