12021011101311 has 8 divisors (see below), whose sum is σ = 16098006133680. Its totient is φ = 7979011734912.

The previous prime is 12021011101303. The next prime is 12021011101361. The reversal of 12021011101311 is 11310111012021.

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

It is not a de Polignac number, because 12021011101311 - 2³ = 12021011101303 is a prime.

It is a super-2 number, since 2×12021011101311² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021011101361) 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, 8748915690 + ... + 8748917063.

It is an arithmetic number, because the mean of its divisors is an integer number (2012250766710).

Almost surely, 2^{12021011101311} is an apocalyptic number.

12021011101311 is a deficient number, since it is larger than the sum of its proper divisors (4076995032369).

12021011101311 is a wasteful number, since it uses less digits than its factorization.

12021011101311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17497832985.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 12021011101311 its reverse (11310111012021), we get a palindrome (23331122113332).

The spelling of 12021011101311 in words is "twelve trillion, twenty-one billion, eleven million, one hundred one thousand, three hundred eleven".