12011021002021 has 8 divisors (see below), whose sum is σ = 12028807321344. Its totient is φ = 11993235270720.

The previous prime is 12011021001989. The next prime is 12011021002091. The reversal of 12011021002021 is 12020012011021.

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 12011021002021 - 2⁵ = 12011021001989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12011021001992 and 12011021002010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011021002091) 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, 57278956 + ... + 57488266.

It is an arithmetic number, because the mean of its divisors is an integer number (1503600915168).

Almost surely, 2^{12011021002021} is an apocalyptic number.

It is an amenable number.

12011021002021 is a deficient number, since it is larger than the sum of its proper divisors (17786319323).

12011021002021 is an equidigital number, since it uses as much as digits as its factorization.

12011021002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294011.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12011021002021 its reverse (12020012011021), we get a palindrome (24031033013042).

The spelling of 12011021002021 in words is "twelve trillion, eleven billion, twenty-one million, two thousand, twenty-one".