221001201220002 has 32 divisors (see below), whose sum is σ = 505183610655744. Its totient is φ = 63138449365200.

The previous prime is 221001201219977. The next prime is 221001201220027. The reversal of 221001201220002 is 200022102100122.

It is an interprime number because it is at equal distance from previous prime (221001201219977) and next prime (221001201220027).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197392774 + ... + 198509217.

It is an arithmetic number, because the mean of its divisors is an integer number (15786987832992).

Almost surely, 2^{221001201220002} is an apocalyptic number.

221001201220002 is an abundant number, since it is smaller than the sum of its proper divisors (284182409435742).

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

221001201220002 is a wasteful number, since it uses less digits than its factorization.

221001201220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395915294.

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

Adding to 221001201220002 its reverse (200022102100122), we get a palindrome (421023303320124).

The spelling of 221001201220002 in words is "two hundred twenty-one trillion, one billion, two hundred one million, two hundred twenty thousand, two".