2000120011221 has 8 divisors (see below), whose sum is σ = 2667000829120. Its totient is φ = 1333326267072.

The previous prime is 2000120011171. The next prime is 2000120011231. The reversal of 2000120011221 is 1221100210002.

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

It is not a de Polignac number, because 2000120011221 - 2¹⁰ = 2000120010197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000120011197 and 2000120011206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000120011231) 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, 21714820 + ... + 21806733.

It is an arithmetic number, because the mean of its divisors is an integer number (333375103640).

Almost surely, 2^{2000120011221} is an apocalyptic number.

It is an amenable number.

2000120011221 is a deficient number, since it is larger than the sum of its proper divisors (666880817899).

2000120011221 is a wasteful number, since it uses less digits than its factorization.

2000120011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43536875.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2000120011221 its reverse (1221100210002), we get a palindrome (3221220221223).

The spelling of 2000120011221 in words is "two trillion, one hundred twenty million, eleven thousand, two hundred twenty-one".