12100020012011 has 4 divisors (see below), whose sum is σ = 12180152595024. Its totient is φ = 12019887429000.

The previous prime is 12100020011929. The next prime is 12100020012103. The reversal of 12100020012011 is 11021002000121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12100020012011 - 2¹⁴ = 12100019995627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12100020011983 and 12100020012001.

It is not an unprimeable number, because it can be changed into a prime (12100020072011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40066291280 + ... + 40066291581.

It is an arithmetic number, because the mean of its divisors is an integer number (3045038148756).

Almost surely, 2^{12100020012011} is an apocalyptic number.

12100020012011 is a deficient number, since it is larger than the sum of its proper divisors (80132583013).

12100020012011 is an equidigital number, since it uses as much as digits as its factorization.

12100020012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80132583012.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12100020012011 its reverse (11021002000121), we get a palindrome (23121022012132).

The spelling of 12100020012011 in words is "twelve trillion, one hundred billion, twenty million, twelve thousand, eleven".