12011121002111 has 32 divisors (see below), whose sum is σ = 15883385886720. Its totient is φ = 8799034514400.

The previous prime is 12011121002081. The next prime is 12011121002123. The reversal of 12011121002111 is 11120012111021.

It is not a de Polignac number, because 12011121002111 - 2³⁰ = 12010047260287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011121002131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31143941 + ... + 31527246.

It is an arithmetic number, because the mean of its divisors is an integer number (496355808960).

Almost surely, 2^{12011121002111} is an apocalyptic number.

12011121002111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12011121002111 is a deficient number, since it is larger than the sum of its proper divisors (3872264884609).

12011121002111 is a wasteful number, since it uses less digits than its factorization.

12011121002111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62671355.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12011121002111 its reverse (11120012111021), we get a palindrome (23131133113132).

The spelling of 12011121002111 in words is "twelve trillion, eleven billion, one hundred twenty-one million, two thousand, one hundred eleven".