12110101001993 has 4 divisors (see below), whose sum is σ = 12747474738960. Its totient is φ = 11472727265028.

The previous prime is 12110101001953. The next prime is 12110101002011. The reversal of 12110101001993 is 39910010101121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12110101001993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12110101001953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318686868455 + ... + 318686868492.

It is an arithmetic number, because the mean of its divisors is an integer number (3186868684740).

Almost surely, 2^{12110101001993} is an apocalyptic number.

It is an amenable number.

12110101001993 is a deficient number, since it is larger than the sum of its proper divisors (637373736967).

12110101001993 is an equidigital number, since it uses as much as digits as its factorization.

12110101001993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637373736966.

The product of its (nonzero) digits is 486, while the sum is 29.

The spelling of 12110101001993 in words is "twelve trillion, one hundred ten billion, one hundred one million, one thousand, nine hundred ninety-three".