2000111212221 has 8 divisors (see below), whose sum is σ = 2680352082144. Its totient is φ = 1326638908560.

The previous prime is 2000111212201. The next prime is 2000111212237. The reversal of 2000111212221 is 1222121110002.

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

It is not a de Polignac number, because 2000111212221 - 2⁷ = 2000111212093 is a prime.

It is a super-2 number, since 2×2000111212221² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2000111212221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000111212201) 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, 1692140875 + ... + 1692142056.

It is an arithmetic number, because the mean of its divisors is an integer number (335044010268).

Almost surely, 2^{2000111212221} is an apocalyptic number.

It is an amenable number.

2000111212221 is a deficient number, since it is larger than the sum of its proper divisors (680240869923).

2000111212221 is a wasteful number, since it uses less digits than its factorization.

2000111212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3384283131.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2000111212221 its reverse (1222121110002), we get a palindrome (3222232322223).

The spelling of 2000111212221 in words is "two trillion, one hundred eleven million, two hundred twelve thousand, two hundred twenty-one".