221022200002002 has 24 divisors (see below), whose sum is σ = 514214914291056. Its totient is φ = 63149200000488.

The previous prime is 221022200001989. The next prime is 221022200002031. The reversal of 221022200002002 is 200200002220122.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 375888094948 + ... + 375888095535.

It is an arithmetic number, because the mean of its divisors is an integer number (21425621428794).

Almost surely, 2^{221022200002002} is an apocalyptic number.

221022200002002 is an abundant number, since it is smaller than the sum of its proper divisors (293192714289054).

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

221022200002002 is a wasteful number, since it uses less digits than its factorization.

221022200002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751776190502 (or 751776190495 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 221022200002002 its reverse (200200002220122), we get a palindrome (421222202222124).

The spelling of 221022200002002 in words is "two hundred twenty-one trillion, twenty-two billion, two hundred million, two thousand, two".