12122001111011 has 16 divisors (see below), whose sum is σ = 14002257297888. Its totient is φ = 10371488870400.

The previous prime is 12122001111001. The next prime is 12122001111053. The reversal of 12122001111011 is 11011110022121.

It is a cyclic number.

It is not a de Polignac number, because 12122001111011 - 2¹⁰ = 12122001109987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12122001111001) 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, 6320231 + ... + 8011823.

It is an arithmetic number, because the mean of its divisors is an integer number (875141081118).

Almost surely, 2^{12122001111011} is an apocalyptic number.

12122001111011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12122001111011 is a deficient number, since it is larger than the sum of its proper divisors (1880256186877).

12122001111011 is a wasteful number, since it uses less digits than its factorization.

12122001111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729942.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12122001111011 its reverse (11011110022121), we get a palindrome (23133111133132).

The spelling of 12122001111011 in words is "twelve trillion, one hundred twenty-two billion, one million, one hundred eleven thousand, eleven".