12111002212011 has 8 divisors (see below), whose sum is σ = 16237218435984. Its totient is φ = 8029393731360.

The previous prime is 12111002211977. The next prime is 12111002212021. The reversal of 12111002212011 is 11021220011121.

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 12111002212011 - 2²⁷ = 12110867994283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12111002212021) 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, 11151935196 + ... + 11151936281.

It is an arithmetic number, because the mean of its divisors is an integer number (2029652304498).

Almost surely, 2^{12111002212011} is an apocalyptic number.

12111002212011 is a deficient number, since it is larger than the sum of its proper divisors (4126216223973).

12111002212011 is a wasteful number, since it uses less digits than its factorization.

12111002212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22303871661.

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

Adding to 12111002212011 its reverse (11021220011121), we get a palindrome (23132222223132).

The spelling of 12111002212011 in words is "twelve trillion, one hundred eleven billion, two million, two hundred twelve thousand, eleven".