12021120100011 has 32 divisors (see below), whose sum is σ = 18133314117120. Its totient is φ = 7016760128000.

The previous prime is 12021120100009. The next prime is 12021120100021. The reversal of 12021120100011 is 11000102112021.

It is a cyclic number.

It is not a de Polignac number, because 12021120100011 - 2¹ = 12021120100009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12021120100011.

It is not an unprimeable number, because it can be changed into a prime (12021120100021) 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, 15278655 + ... + 16046168.

It is an arithmetic number, because the mean of its divisors is an integer number (566666066160).

Almost surely, 2^{12021120100011} is an apocalyptic number.

12021120100011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12021120100011 is a deficient number, since it is larger than the sum of its proper divisors (6112194017109).

12021120100011 is a wasteful number, since it uses less digits than its factorization.

12021120100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31325267.

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

Adding to 12021120100011 its reverse (11000102112021), we get a palindrome (23021222212032).

The spelling of 12021120100011 in words is "twelve trillion, twenty-one billion, one hundred twenty million, one hundred thousand, eleven".