12100001000111 has 4 divisors (see below), whose sum is σ = 12100028285472. Its totient is φ = 12099973714752.

The previous prime is 12100001000107. The next prime is 12100001000123. The reversal of 12100001000111 is 11100010000121.

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 12100001000111 - 2² = 12100001000107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100001000011) 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, 12966311 + ... + 13868136.

It is an arithmetic number, because the mean of its divisors is an integer number (3025007071368).

Almost surely, 2^{12100001000111} is an apocalyptic number.

12100001000111 is a deficient number, since it is larger than the sum of its proper divisors (27285361).

12100001000111 is an equidigital number, since it uses as much as digits as its factorization.

12100001000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27285360.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 12100001000111 its reverse (11100010000121), we get a palindrome (23200011000232).

The spelling of 12100001000111 in words is "twelve trillion, one hundred billion, one million, one hundred eleven", and thus it is an aban number.