12021102331011 has 24 divisors (see below), whose sum is σ = 18356144573520. Its totient is φ = 7559690259456.

The previous prime is 12021102331009. The next prime is 12021102331057. The reversal of 12021102331011 is 11013320112021.

12021102331011 is a `hidden beast` number, since 120 + 211 + 0 + 2 + 331 + 0 + 1 + 1 = 666.

It is not a de Polignac number, because 12021102331011 - 2¹ = 12021102331009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12021102330011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150816046 + ... + 150895731.

It is an arithmetic number, because the mean of its divisors is an integer number (764839357230).

Almost surely, 2^{12021102331011} is an apocalyptic number.

12021102331011 is a deficient number, since it is larger than the sum of its proper divisors (6335042242509).

12021102331011 is a wasteful number, since it uses less digits than its factorization.

12021102331011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301712035 (or 301712032 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 12021102331011 its reverse (11013320112021), we get a palindrome (23034422443032).

The spelling of 12021102331011 in words is "twelve trillion, twenty-one billion, one hundred two million, three hundred thirty-one thousand, eleven".