12112011021121 has 8 divisors (see below), whose sum is σ = 13264515787104. Its totient is φ = 10968075064320.

The previous prime is 12112011021101. The next prime is 12112011021157.

12112011021121 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12112011021121 - 2³³ = 12103421086529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12112011021095 and 12112011021104.

It is not an unprimeable number, because it can be changed into a prime (12112011021101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2142199335 + ... + 2142204988.

It is an arithmetic number, because the mean of its divisors is an integer number (1658064473388).

Almost surely, 2^{12112011021121} is an apocalyptic number.

12112011021121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12112011021121 is a deficient number, since it is larger than the sum of its proper divisors (1152504765983).

12112011021121 is a wasteful number, since it uses less digits than its factorization.

12112011021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4284404591.

The product of its (nonzero) digits is 16, while the sum is 16.

It can be divided in two parts, 1211201 and 1021121, that added together give a palindrome (2232322).

The spelling of 12112011021121 in words is "twelve trillion, one hundred twelve billion, eleven million, twenty-one thousand, one hundred twenty-one".