12011110200021 has 16 divisors (see below), whose sum is σ = 16031326415360. Its totient is φ = 7999154654400.

The previous prime is 12011110199953. The next prime is 12011110200049. The reversal of 12011110200021 is 12000201111021.

It is not a de Polignac number, because 12011110200021 - 2¹⁴ = 12011110183637 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 (12011110200721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10783035 + ... + 11844663.

It is an arithmetic number, because the mean of its divisors is an integer number (1001957900960).

Almost surely, 2^{12011110200021} is an apocalyptic number.

It is an amenable number.

12011110200021 is a deficient number, since it is larger than the sum of its proper divisors (4020216215339).

12011110200021 is a wasteful number, since it uses less digits than its factorization.

12011110200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065516.

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

Adding to 12011110200021 its reverse (12000201111021), we get a palindrome (24011311311042).

The spelling of 12011110200021 in words is "twelve trillion, eleven billion, one hundred ten million, two hundred thousand, twenty-one".