221212200221002 has 8 divisors (see below), whose sum is σ = 331819021264896. Its totient is φ = 110605859799372.

The previous prime is 221212200220939. The next prime is 221212200221003. The reversal of 221212200221002 is 200122002212122.

221212200221002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (221212200221003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119002698 + ... + 120847285.

It is an arithmetic number, because the mean of its divisors is an integer number (41477377658112).

Almost surely, 2^{221212200221002} is an apocalyptic number.

221212200221002 is a deficient number, since it is larger than the sum of its proper divisors (110606821043894).

221212200221002 is a wasteful number, since it uses less digits than its factorization.

221212200221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240311132.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 221212200221002 its reverse (200122002212122), we get a palindrome (421334202433124).

The spelling of 221212200221002 in words is "two hundred twenty-one trillion, two hundred twelve billion, two hundred million, two hundred twenty-one thousand, two".