12010001122111 has 4 divisors (see below), whose sum is σ = 12289303473832. Its totient is φ = 11730698770392.

The previous prime is 12010001122103. The next prime is 12010001122129. The reversal of 12010001122111 is 11122110001021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12010001122111 - 2³ = 12010001122103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12010001122091 and 12010001122100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010001126111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139651175796 + ... + 139651175881.

It is an arithmetic number, because the mean of its divisors is an integer number (3072325868458).

Almost surely, 2^{12010001122111} is an apocalyptic number.

12010001122111 is a deficient number, since it is larger than the sum of its proper divisors (279302351721).

12010001122111 is an equidigital number, since it uses as much as digits as its factorization.

12010001122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279302351720.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12010001122111 its reverse (11122110001021), we get a palindrome (23132111123132).

The spelling of 12010001122111 in words is "twelve trillion, ten billion, one million, one hundred twenty-two thousand, one hundred eleven".