12111112120101 has 32 divisors (see below), whose sum is σ = 16450124267520. Its totient is φ = 7923708811200.

The previous prime is 12111112120087. The next prime is 12111112120189. The reversal of 12111112120101 is 10102121111121.

It is not a de Polignac number, because 12111112120101 - 2⁷ = 12111112119973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111112120001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143831230 + ... + 143915408.

It is an arithmetic number, because the mean of its divisors is an integer number (514066383360).

Almost surely, 2^{12111112120101} is an apocalyptic number.

It is an amenable number.

12111112120101 is a deficient number, since it is larger than the sum of its proper divisors (4339012147419).

12111112120101 is an equidigital number, since it uses as much as digits as its factorization.

12111112120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86017.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 12111112120101 its reverse (10102121111121), we get a palindrome (22213233231222).

The spelling of 12111112120101 in words is "twelve trillion, one hundred eleven billion, one hundred twelve million, one hundred twenty thousand, one hundred one".