12021102021211 has 8 divisors (see below), whose sum is σ = 12029547645360. Its totient is φ = 12012658822272.

The previous prime is 12021102021133. The next prime is 12021102021221. The reversal of 12021102021211 is 11212020112021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12021102021211 - 2⁴¹ = 9822078765659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12021102021221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9368175 + ... + 10573783.

It is an arithmetic number, because the mean of its divisors is an integer number (1503693455670).

Almost surely, 2^{12021102021211} is an apocalyptic number.

12021102021211 is a deficient number, since it is larger than the sum of its proper divisors (8445624149).

12021102021211 is a wasteful number, since it uses less digits than its factorization.

12021102021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212605.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12021102021211 its reverse (11212020112021), we get a palindrome (23233122133232).

The spelling of 12021102021211 in words is "twelve trillion, twenty-one billion, one hundred two million, twenty-one thousand, two hundred eleven".