12102011201111 has 8 divisors (see below), whose sum is σ = 13033084121904. Its totient is φ = 11170959563520.

The previous prime is 12102011201101. The next prime is 12102011201113. The reversal of 12102011201111 is 11110211020121.

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

It is a cyclic number.

It is not a de Polignac number, because 12102011201111 - 2²⁶ = 12101944092247 is a prime.

It is a super-3 number, since 3×12102011201111³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102011201113) 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, 4129946 + ... + 6423431.

It is an arithmetic number, because the mean of its divisors is an integer number (1629135515238).

Almost surely, 2^{12102011201111} is an apocalyptic number.

12102011201111 is a deficient number, since it is larger than the sum of its proper divisors (931072920793).

12102011201111 is a wasteful number, since it uses less digits than its factorization.

12102011201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10641601.

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

Adding to 12102011201111 its reverse (11110211020121), we get a palindrome (23212222221232).

The spelling of 12102011201111 in words is "twelve trillion, one hundred two billion, eleven million, two hundred one thousand, one hundred eleven".