2000222121 has 8 divisors (see below), whose sum is σ = 2667387520. Its totient is φ = 1333269072.

The previous prime is 2000222113. The next prime is 2000222137. The reversal of 2000222121 is 1212220002.

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

It is not a de Polignac number, because 2000222121 - 2³ = 2000222113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000222097 and 2000222106.

It is not an unprimeable number, because it can be changed into a prime (2000222141) 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, 29626 + ... + 69843.

It is an arithmetic number, because the mean of its divisors is an integer number (333423440).

Almost surely, 2^2000222121 is an apocalyptic number.

It is an amenable number.

2000222121 is a deficient number, since it is larger than the sum of its proper divisors (667165399).

2000222121 is an equidigital number, since it uses as much as digits as its factorization.

2000222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106175.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2000222121 is about 44723.8428693242. The cubic root of 2000222121 is about 1259.9676906555.

Adding to 2000222121 its reverse (1212220002), we get a palindrome (3212442123).

The spelling of 2000222121 in words is "two billion, two hundred twenty-two thousand, one hundred twenty-one".