12211020021021 has 8 divisors (see below), whose sum is σ = 16282253062080. Its totient is φ = 8140233496992.

The previous prime is 12211020020971. The next prime is 12211020021029. The reversal of 12211020021021 is 12012002011221.

12211020021021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12211020021021 - 2¹⁰ = 12211020019997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211020021029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111565441 + ... + 111674838.

It is an arithmetic number, because the mean of its divisors is an integer number (2035281632760).

Almost surely, 2^{12211020021021} is an apocalyptic number.

It is an amenable number.

12211020021021 is a deficient number, since it is larger than the sum of its proper divisors (4071233041059).

12211020021021 is a wasteful number, since it uses less digits than its factorization.

12211020021021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223258515.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12211020021021 its reverse (12012002011221), we get a palindrome (24223022032242).

It can be divided in two parts, 122110200 and 21021, that added together give a palindrome (122131221).

The spelling of 12211020021021 in words is "twelve trillion, two hundred eleven billion, twenty million, twenty-one thousand, twenty-one".