12110100210021 has 16 divisors (see below), whose sum is σ = 17622558535680. Its totient is φ = 7336176622320.

The previous prime is 12110100209951. The next prime is 12110100210037. The reversal of 12110100210021 is 12001200101121.

It is a de Polignac number, because none of the positive numbers 2^k-12110100210021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12110100209979 and 12110100210006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110100210071) 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 15 ways as a sum of consecutive naturals, for example, 81876255 + ... + 82024028.

It is an arithmetic number, because the mean of its divisors is an integer number (1101409908480).

Almost surely, 2^{12110100210021} is an apocalyptic number.

12110100210021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12110100210021 is a deficient number, since it is larger than the sum of its proper divisors (5512458325659).

12110100210021 is a wasteful number, since it uses less digits than its factorization.

12110100210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163902536.

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

Adding to 12110100210021 its reverse (12001200101121), we get a palindrome (24111300311142).

The spelling of 12110100210021 in words is "twelve trillion, one hundred ten billion, one hundred million, two hundred ten thousand, twenty-one".