2000021221210 has 32 divisors (see below), whose sum is σ = 3811931260560. Its totient is φ = 752924255232.

The previous prime is 2000021221207. The next prime is 2000021221213. The reversal of 2000021221210 is 121221200002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2000021221207) and next prime (2000021221213).

It can be written as a sum of positive squares in 8 ways, for example, as 391276521441 + 1608744699769 = 625521^2 + 1268363^2 .

It is not an unprimeable number, because it can be changed into a prime (2000021221213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5436832 + ... + 5793028.

Almost surely, 2^{2000021221210} is an apocalyptic number.

2000021221210 is a deficient number, since it is larger than the sum of its proper divisors (1811910039350).

2000021221210 is a wasteful number, since it uses less digits than its factorization.

2000021221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389250.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2000021221210 its reverse (121221200002), we get a palindrome (2121242421212).

The spelling of 2000021221210 in words is "two trillion, twenty-one million, two hundred twenty-one thousand, two hundred ten".