12021120010011 has 16 divisors (see below), whose sum is σ = 18485951264000. Its totient is φ = 6806191144608.

The previous prime is 12021120010001. The next prime is 12021120010073. The reversal of 12021120010011 is 11001002112021.

It is not a de Polignac number, because 12021120010011 - 2²² = 12021115815707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12021120010001) 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, 2625843061 + ... + 2625847638.

It is an arithmetic number, because the mean of its divisors is an integer number (1155371954000).

Almost surely, 2^{12021120010011} is an apocalyptic number.

12021120010011 is a deficient number, since it is larger than the sum of its proper divisors (6464831253989).

12021120010011 is a wasteful number, since it uses less digits than its factorization.

12021120010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5251690818.

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

Adding to 12021120010011 its reverse (11001002112021), we get a palindrome (23022122122032).

The spelling of 12021120010011 in words is "twelve trillion, twenty-one billion, one hundred twenty million, ten thousand, eleven".