12101120001111 has 4 divisors (see below), whose sum is σ = 16134826668152. Its totient is φ = 8067413334072.

The previous prime is 12101120000857. The next prime is 12101120001127. The reversal of 12101120001111 is 11110002110121.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12101120001111 - 2¹⁴ = 12101119984727 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 (12101120001811) 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, 2016853333516 + ... + 2016853333521.

It is an arithmetic number, because the mean of its divisors is an integer number (4033706667038).

Almost surely, 2^{12101120001111} is an apocalyptic number.

12101120001111 is a deficient number, since it is larger than the sum of its proper divisors (4033706667041).

12101120001111 is an equidigital number, since it uses as much as digits as its factorization.

12101120001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4033706667040.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 12101120001111 its reverse (11110002110121), we get a palindrome (23211122111232).

The spelling of 12101120001111 in words is "twelve trillion, one hundred one billion, one hundred twenty million, one thousand, one hundred eleven".