12201110211021 has 32 divisors (see below), whose sum is σ = 16781027635200. Its totient is φ = 7879572509760.

The previous prime is 12201110210977. The next prime is 12201110211071. The reversal of 12201110211021 is 12011201110221.

It is a happy number.

12201110211021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12201110211021 - 2⁶ = 12201110210957 is a prime.

It is a super-2 number, since 2×12201110211021² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201110211071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143718216 + ... + 143803086.

It is an arithmetic number, because the mean of its divisors is an integer number (524407113600).

Almost surely, 2^{12201110211021} is an apocalyptic number.

It is an amenable number.

12201110211021 is a deficient number, since it is larger than the sum of its proper divisors (4579917424179).

12201110211021 is a wasteful number, since it uses less digits than its factorization.

12201110211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90569.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12201110211021 its reverse (12011201110221), we get a palindrome (24212311321242).

The spelling of 12201110211021 in words is "twelve trillion, two hundred one billion, one hundred ten million, two hundred eleven thousand, twenty-one".