200221102212 has 72 divisors (see below), whose sum is σ = 493460970912. Its totient is φ = 63176976000.

The previous prime is 200221102189. The next prime is 200221102241. The reversal of 200221102212 is 212201122002.

It is a junction number, because it is equal to n+sod(n) for n = 200221102191 and 200221102200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5574712 + ... + 5610512.

It is an arithmetic number, because the mean of its divisors is an integer number (6853624596).

Almost surely, 2^200221102212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200221102212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246730485456).

200221102212 is an abundant number, since it is smaller than the sum of its proper divisors (293239868700).

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

200221102212 is a wasteful number, since it uses less digits than its factorization.

200221102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37137 (or 37116 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 200221102212 its reverse (212201122002), we get a palindrome (412422224214).

The spelling of 200221102212 in words is "two hundred billion, two hundred twenty-one million, one hundred two thousand, two hundred twelve".