12112101022011 has 8 divisors (see below), whose sum is σ = 16376925325824. Its totient is φ = 7961005366440.

The previous prime is 12112101022009. The next prime is 12112101022013. The reversal of 12112101022011 is 11022010121121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12112101022009) and next prime (12112101022013).

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

It is not a de Polignac number, because 12112101022011 - 2¹ = 12112101022009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12112101022013) 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, 28432161811 + ... + 28432162236.

It is an arithmetic number, because the mean of its divisors is an integer number (2047115665728).

Almost surely, 2^{12112101022011} is an apocalyptic number.

12112101022011 is a deficient number, since it is larger than the sum of its proper divisors (4264824303813).

12112101022011 is an equidigital number, since it uses as much as digits as its factorization.

12112101022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56864324121.

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

Adding to 12112101022011 its reverse (11022010121121), we get a palindrome (23134111143132).

The spelling of 12112101022011 in words is "twelve trillion, one hundred twelve billion, one hundred one million, twenty-two thousand, eleven".