221002101220002 has 8 divisors (see below), whose sum is σ = 442004202440016. Its totient is φ = 73667367073332.

The previous prime is 221002101219971. The next prime is 221002101220091. The reversal of 221002101220002 is 200022101200122.

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

221002101220002 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18416841768328 + ... + 18416841768339.

It is an arithmetic number, because the mean of its divisors is an integer number (55250525305002).

Almost surely, 2^{221002101220002} is an apocalyptic number.

221002101220002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

221002101220002 is a wasteful number, since it uses less digits than its factorization.

221002101220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36833683536672.

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

Adding to 221002101220002 its reverse (200022101200122), we get a palindrome (421024202420124).

The spelling of 221002101220002 in words is "two hundred twenty-one trillion, two billion, one hundred one million, two hundred twenty thousand, two".