2000122011221 has 8 divisors (see below), whose sum is σ = 2003619147264. Its totient is φ = 1996627782240.

The previous prime is 2000122011163. The next prime is 2000122011227. The reversal of 2000122011221 is 1221102210002.

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 2000122011221 - 2²⁶ = 2000054902357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2000122011196 and 2000122011205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000122011227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 652766 + ... + 2103888.

It is an arithmetic number, because the mean of its divisors is an integer number (250452393408).

Almost surely, 2^{2000122011221} is an apocalyptic number.

It is an amenable number.

2000122011221 is a deficient number, since it is larger than the sum of its proper divisors (3497136043).

2000122011221 is a wasteful number, since it uses less digits than its factorization.

2000122011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453531.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2000122011221 its reverse (1221102210002), we get a palindrome (3221224221223).

The spelling of 2000122011221 in words is "two trillion, one hundred twenty-two million, eleven thousand, two hundred twenty-one".