12000021202111 has 32 divisors (see below), whose sum is σ = 12890256081920. Its totient is φ = 11137176777600.

The previous prime is 12000021202069. The next prime is 12000021202129. The reversal of 12000021202111 is 11120212000021.

12000021202111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12000021202111 - 2¹⁷ = 12000021071039 is a prime.

It is a super-2 number, since 2×12000021202111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12000021202091 and 12000021202100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000021202171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1707698380 + ... + 1707705406.

It is an arithmetic number, because the mean of its divisors is an integer number (402820502560).

Almost surely, 2^{12000021202111} is an apocalyptic number.

12000021202111 is a deficient number, since it is larger than the sum of its proper divisors (890234879809).

12000021202111 is a wasteful number, since it uses less digits than its factorization.

12000021202111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12815.

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

Adding to 12000021202111 its reverse (11120212000021), we get a palindrome (23120233202132).

The spelling of 12000021202111 in words is "twelve trillion, twenty-one million, two hundred two thousand, one hundred eleven".