2000220121 has 8 divisors (see below), whose sum is σ = 2047389344. Its totient is φ = 1953080640.

The previous prime is 2000220083. The next prime is 2000220133. The reversal of 2000220121 is 1210220002.

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

It is not a de Polignac number, because 2000220121 - 2¹⁵ = 2000187353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000220098 and 2000220107.

It is not an unprimeable number, because it can be changed into a prime (2000220821) 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, 188641 + ... + 198961.

It is an arithmetic number, because the mean of its divisors is an integer number (255923668).

Almost surely, 2^2000220121 is an apocalyptic number.

It is an amenable number.

2000220121 is a deficient number, since it is larger than the sum of its proper divisors (47169223).

2000220121 is a wasteful number, since it uses less digits than its factorization.

2000220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14871.

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

The square root of 2000220121 is about 44723.8205098804. The cubic root of 2000220121 is about 1259.9672707128.

Adding to 2000220121 its reverse (1210220002), we get a palindrome (3210440123).

The spelling of 2000220121 in words is "two billion, two hundred twenty thousand, one hundred twenty-one".