221210202010002 has 16 divisors (see below), whose sum is σ = 451833604106112. Its totient is φ = 72167867322320.

The previous prime is 221210202009997. The next prime is 221210202010003. The reversal of 221210202010002 is 200010202012122.

It is not an unprimeable number, because it can be changed into a prime (221210202010003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392216669949 + ... + 392216670512.

It is an arithmetic number, because the mean of its divisors is an integer number (28239600256632).

Almost surely, 2^{221210202010002} is an apocalyptic number.

221210202010002 is an abundant number, since it is smaller than the sum of its proper divisors (230623402096110).

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

221210202010002 is a wasteful number, since it uses less digits than its factorization.

221210202010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784433340513.

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

Adding to 221210202010002 its reverse (200010202012122), we get a palindrome (421220404022124).

The spelling of 221210202010002 in words is "two hundred twenty-one trillion, two hundred ten billion, two hundred two million, ten thousand, two".