12112020012111 has 8 divisors (see below), whose sum is σ = 16149896856240. Its totient is φ = 8074411588032.

The previous prime is 12112020012109. The next prime is 12112020012133. The reversal of 12112020012111 is 11121002021121.

It is a happy number.

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

It is not a de Polignac number, because 12112020012111 - 2¹ = 12112020012109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112020012311) 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, 66999700 + ... + 67180233.

It is an arithmetic number, because the mean of its divisors is an integer number (2018737107030).

Almost surely, 2^{12112020012111} is an apocalyptic number.

12112020012111 is a deficient number, since it is larger than the sum of its proper divisors (4037876844129).

12112020012111 is a wasteful number, since it uses less digits than its factorization.

12112020012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134210025.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12112020012111 its reverse (11121002021121), we get a palindrome (23233022033232).

The spelling of 12112020012111 in words is "twelve trillion, one hundred twelve billion, twenty million, twelve thousand, one hundred eleven".