12101002020111 has 16 divisors (see below), whose sum is σ = 16235189619584. Its totient is φ = 8017083908064.

The previous prime is 12101002020077. The next prime is 12101002020167. The reversal of 12101002020111 is 11102020010121.

It is not a de Polignac number, because 12101002020111 - 2⁹ = 12101002019599 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 (12101002020181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4032285 + ... + 6360921.

It is an arithmetic number, because the mean of its divisors is an integer number (1014699351224).

Almost surely, 2^{12101002020111} is an apocalyptic number.

12101002020111 is a deficient number, since it is larger than the sum of its proper divisors (4134187599473).

12101002020111 is a wasteful number, since it uses less digits than its factorization.

12101002020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339430.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12101002020111 its reverse (11102020010121), we get a palindrome (23203022030232).

The spelling of 12101002020111 in words is "twelve trillion, one hundred one billion, two million, twenty thousand, one hundred eleven".