12111210012101 has 4 divisors (see below), whose sum is σ = 12206573870592. Its totient is φ = 12015846153612.

The previous prime is 12111210012037. The next prime is 12111210012131. The reversal of 12111210012101 is 10121001211121.

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 not a de Polignac number, because 12111210012101 - 2⁶ = 12111210012037 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 (12111210012131) 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, 47681929055 + ... + 47681929308.

It is an arithmetic number, because the mean of its divisors is an integer number (3051643467648).

Almost surely, 2^{12111210012101} is an apocalyptic number.

It is an amenable number.

12111210012101 is a deficient number, since it is larger than the sum of its proper divisors (95363858491).

12111210012101 is an equidigital number, since it uses as much as digits as its factorization.

12111210012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95363858490.

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

Adding to 12111210012101 its reverse (10121001211121), we get a palindrome (22232211223222).

The spelling of 12111210012101 in words is "twelve trillion, one hundred eleven billion, two hundred ten million, twelve thousand, one hundred one".