221210200002 has 48 divisors (see below), whose sum is σ = 512701130592. Its totient is φ = 63090247680.

The previous prime is 221210199997. The next prime is 221210200007. The reversal of 221210200002 is 200002012122.

It is an interprime number because it is at equal distance from previous prime (221210199997) and next prime (221210200007).

It is not an unprimeable number, because it can be changed into a prime (221210200007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5779663 + ... + 5817810.

It is an arithmetic number, because the mean of its divisors is an integer number (10681273554).

Almost surely, 2^221210200002 is an apocalyptic number.

221210200002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221210200002 is an abundant number, since it is smaller than the sum of its proper divisors (291490930590).

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

221210200002 is a wasteful number, since it uses less digits than its factorization.

221210200002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11597523 (or 11597506 counting only the distinct ones).

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

Adding to 221210200002 its reverse (200002012122), we get a palindrome (421212212124).

The spelling of 221210200002 in words is "two hundred twenty-one billion, two hundred ten million, two hundred thousand, two".