12211011110121 has 32 divisors (see below), whose sum is σ = 17023110266880. Its totient is φ = 7771217999424.

The previous prime is 12211011110119. The next prime is 12211011110141. The reversal of 12211011110121 is 12101111011221.

It is not a de Polignac number, because 12211011110121 - 2¹ = 12211011110119 is a prime.

It is a super-3 number, since 3×12211011110121³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12211011110121.

It is not an unprimeable number, because it can be changed into a prime (12211011110141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81202120 + ... + 81352358.

It is an arithmetic number, because the mean of its divisors is an integer number (531972195840).

Almost surely, 2^{12211011110121} is an apocalyptic number.

It is an amenable number.

12211011110121 is a deficient number, since it is larger than the sum of its proper divisors (4812099156759).

12211011110121 is a wasteful number, since it uses less digits than its factorization.

12211011110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152605.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 12211011110121 its reverse (12101111011221), we get a palindrome (24312122121342).

The spelling of 12211011110121 in words is "twelve trillion, two hundred eleven billion, eleven million, one hundred ten thousand, one hundred twenty-one".