12112022021121 has 48 divisors (see below), whose sum is σ = 19275732777600. Its totient is φ = 7267531138560.

The previous prime is 12112022021083. The next prime is 12112022021189.

12112022021121 is a `hidden beast` number, since 1 + 211 + 2 + 0 + 220 + 211 + 21 = 666.

12112022021121 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12112022021121 - 2²² = 12112017826817 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12112022021094 and 12112022021103.

It is not an unprimeable number, because it can be changed into a prime (12112022021191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41140975 + ... + 41434331.

It is an arithmetic number, because the mean of its divisors is an integer number (401577766200).

Almost surely, 2^{12112022021121} is an apocalyptic number.

12112022021121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12112022021121 is a deficient number, since it is larger than the sum of its proper divisors (7163710756479).

12112022021121 is a wasteful number, since it uses less digits than its factorization.

12112022021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297526 (or 297523 counting only the distinct ones).

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

It can be divided in two parts, 1211202 and 2021121, that added together give a palindrome (3232323).

The spelling of 12112022021121 in words is "twelve trillion, one hundred twelve billion, twenty-two million, twenty-one thousand, one hundred twenty-one".