11222012220111 has 24 divisors (see below), whose sum is σ = 20209338025344. Its totient is φ = 5829616737360.

The previous prime is 11222012220073. The next prime is 11222012220157. The reversal of 11222012220111 is 11102221022211.

11222012220111 is a `hidden beast` number, since 112 + 220 + 1 + 2 + 220 + 111 = 666.

It is not a de Polignac number, because 11222012220111 - 2⁶ = 11222012220047 is a prime.

It is a super-2 number, since 2×11222012220111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222012228111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8096689221 + ... + 8096690606.

It is an arithmetic number, because the mean of its divisors is an integer number (842055751056).

Almost surely, 2^{11222012220111} is an apocalyptic number.

11222012220111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11222012220111 is a deficient number, since it is larger than the sum of its proper divisors (8987325805233).

11222012220111 is a wasteful number, since it uses less digits than its factorization.

11222012220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16193379851 (or 16193379848 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11222012220111 its reverse (11102221022211), we get a palindrome (22324233242322).

The spelling of 11222012220111 in words is "eleven trillion, two hundred twenty-two billion, twelve million, two hundred twenty thousand, one hundred eleven".