12021201022011 has 16 divisors (see below), whose sum is σ = 17065917993600. Its totient is φ = 7500576291968.

The previous prime is 12021201022001. The next prime is 12021201022031. The reversal of 12021201022011 is 11022010212021.

It is a cyclic number.

It is not a de Polignac number, because 12021201022011 - 2⁷ = 12021201021883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12021201022001) 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, 658398201 + ... + 658416458.

It is an arithmetic number, because the mean of its divisors is an integer number (1066619874600).

Almost surely, 2^{12021201022011} is an apocalyptic number.

12021201022011 is a deficient number, since it is larger than the sum of its proper divisors (5044716971589).

12021201022011 is a wasteful number, since it uses less digits than its factorization.

12021201022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316814858.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12021201022011 its reverse (11022010212021), we get a palindrome (23043211234032).

The spelling of 12021201022011 in words is "twelve trillion, twenty-one billion, two hundred one million, twenty-two thousand, eleven".