200021212110 has 32 divisors (see below), whose sum is σ = 480104890272. Its totient is φ = 53332992000.

The previous prime is 200021212099. The next prime is 200021212121. The reversal of 200021212110 is 11212120002.

It is an interprime number because it is at equal distance from previous prime (200021212099) and next prime (200021212121).

It is a super-2 number, since 2×200021212110² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100339 + ... + 640398.

It is an arithmetic number, because the mean of its divisors is an integer number (15003277821).

Almost surely, 2^200021212110 is an apocalyptic number.

200021212110 is an abundant number, since it is smaller than the sum of its proper divisors (280083678162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200021212110 is a wasteful number, since it uses less digits than its factorization.

200021212110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749748.

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

Adding to 200021212110 its reverse (11212120002), we get a palindrome (211233332112).

The spelling of 200021212110 in words is "two hundred billion, twenty-one million, two hundred twelve thousand, one hundred ten".