221210020012002 has 16 divisors (see below), whose sum is σ = 505622902884672. Its totient is φ = 63202862860560.

The previous prime is 221210020011961. The next prime is 221210020012013. The reversal of 221210020012002 is 200210020012122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2633452619149 + ... + 2633452619232.

It is an arithmetic number, because the mean of its divisors is an integer number (31601431430292).

Almost surely, 2^{221210020012002} is an apocalyptic number.

221210020012002 is an abundant number, since it is smaller than the sum of its proper divisors (284412882872670).

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

221210020012002 is a wasteful number, since it uses less digits than its factorization.

221210020012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5266905238393.

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

Adding to 221210020012002 its reverse (200210020012122), we get a palindrome (421420040024124).

The spelling of 221210020012002 in words is "two hundred twenty-one trillion, two hundred ten billion, twenty million, twelve thousand, two".