12110000201021 has 4 divisors (see below), whose sum is σ = 12246067619100. Its totient is φ = 11973932782944.

The previous prime is 12110000201011. The next prime is 12110000201029. The reversal of 12110000201021 is 12010200001121.

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

It can be written as a sum of positive squares in 2 ways, for example, as 628650765625 + 11481349435396 = 792875^2 + 3388414^2 .

It is a cyclic number.

It is not a de Polignac number, because 12110000201021 - 2¹⁴ = 12110000184637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12110000200993 and 12110000201011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110000201029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68033708906 + ... + 68033709083.

It is an arithmetic number, because the mean of its divisors is an integer number (3061516904775).

Almost surely, 2^{12110000201021} is an apocalyptic number.

It is an amenable number.

12110000201021 is a deficient number, since it is larger than the sum of its proper divisors (136067418079).

12110000201021 is an equidigital number, since it uses as much as digits as its factorization.

12110000201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136067418078.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12110000201021 its reverse (12010200001121), we get a palindrome (24120200202142).

The spelling of 12110000201021 in words is "twelve trillion, one hundred ten billion, two hundred one thousand, twenty-one".