12021000211011 has 8 divisors (see below), whose sum is σ = 17485091216064. Its totient is φ = 7285454673320.

The previous prime is 12021000211009. The next prime is 12021000211021. The reversal of 12021000211011 is 11011200012021.

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 12021000211011 - 2¹ = 12021000211009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12021000211021) 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, 182136366801 + ... + 182136366866.

It is an arithmetic number, because the mean of its divisors is an integer number (2185636402008).

Almost surely, 2^{12021000211011} is an apocalyptic number.

12021000211011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12021000211011 is a deficient number, since it is larger than the sum of its proper divisors (5464091005053).

12021000211011 is a wasteful number, since it uses less digits than its factorization.

12021000211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364272733681.

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

Adding to 12021000211011 its reverse (11011200012021), we get a palindrome (23032200223032).

The spelling of 12021000211011 in words is "twelve trillion, twenty-one billion, two hundred eleven thousand, eleven".