2000012221 has 8 divisors (see below), whose sum is σ = 2024460864. Its totient is φ = 1975670400.

The previous prime is 2000012159. The next prime is 2000012233. The reversal of 2000012221 is 1222100002.

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

It is not a de Polignac number, because 2000012221 - 2⁷ = 2000012093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000012198 and 2000012207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000012321) 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, 11296 + ... + 64246.

It is an arithmetic number, because the mean of its divisors is an integer number (253057608).

Almost surely, 2^2000012221 is an apocalyptic number.

It is an amenable number.

2000012221 is a deficient number, since it is larger than the sum of its proper divisors (24448643).

2000012221 is a wasteful number, since it uses less digits than its factorization.

2000012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53411.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2000012221 is about 44721.4961847208. The cubic root of 2000012221 is about 1259.9236161388.

Adding to 2000012221 its reverse (1222100002), we get a palindrome (3222112223).

The spelling of 2000012221 in words is "two billion, twelve thousand, two hundred twenty-one".