12102001021011 has 16 divisors (see below), whose sum is σ = 17814993840000. Its totient is φ = 7246178046720.

The previous prime is 12102001021009. The next prime is 12102001021081. The reversal of 12102001021011 is 11012010020121.

It is not a de Polignac number, because 12102001021011 - 2¹ = 12102001021009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12102001021081) 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, 2209197886 + ... + 2209203363.

It is an arithmetic number, because the mean of its divisors is an integer number (1113437115000).

Almost surely, 2^{12102001021011} is an apocalyptic number.

12102001021011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12102001021011 is a deficient number, since it is larger than the sum of its proper divisors (5712992818989).

12102001021011 is a wasteful number, since it uses less digits than its factorization.

12102001021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4418401346.

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

Adding to 12102001021011 its reverse (11012010020121), we get a palindrome (23114011041132).

The spelling of 12102001021011 in words is "twelve trillion, one hundred two billion, one million, twenty-one thousand, eleven".