12101133111 has 8 divisors (see below), whose sum is σ = 16136225904. Its totient is φ = 8066731200.

The previous prime is 12101133047. The next prime is 12101133113. The reversal of 12101133111 is 11133110121.

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

It is not a de Polignac number, because 12101133111 - 2⁶ = 12101133047 is a prime.

12101133111 is a modest number, since divided by 133111 gives 12101 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101133113) 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, 130366 + ... + 202971.

It is an arithmetic number, because the mean of its divisors is an integer number (2017028238).

Almost surely, 2^12101133111 is an apocalyptic number.

12101133111 is a deficient number, since it is larger than the sum of its proper divisors (4035092793).

12101133111 is a wasteful number, since it uses less digits than its factorization.

12101133111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345441.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 12101133111 its reverse (11133110121), we get a palindrome (23234243232).

The spelling of 12101133111 in words is "twelve billion, one hundred one million, one hundred thirty-three thousand, one hundred eleven".