12222210111011 has 16 divisors (see below), whose sum is σ = 13057774636800. Its totient is φ = 11405881716768.

The previous prime is 12222210110951. The next prime is 12222210111029. The reversal of 12222210111011 is 11011101222221.

It is a cyclic number.

It is not a de Polignac number, because 12222210111011 - 2²² = 12222205916707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12222210111091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111611561 + ... + 111721013.

It is an arithmetic number, because the mean of its divisors is an integer number (816110914800).

Almost surely, 2^{12222210111011} is an apocalyptic number.

12222210111011 is a deficient number, since it is larger than the sum of its proper divisors (835564525789).

12222210111011 is a wasteful number, since it uses less digits than its factorization.

12222210111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197258.

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

Adding to 12222210111011 its reverse (11011101222221), we get a palindrome (23233311333232).

The spelling of 12222210111011 in words is "twelve trillion, two hundred twenty-two billion, two hundred ten million, one hundred eleven thousand, eleven".