221001201202010 has 16 divisors (see below), whose sum is σ = 397802516839200. Its totient is φ = 88400401664016.

The previous prime is 221001201201887. The next prime is 221001201202129. The reversal of 221001201202010 is 10202102100122.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 2684261 + ... + 21194519.

It is an arithmetic number, because the mean of its divisors is an integer number (24862657302450).

Almost surely, 2^{221001201202010} is an apocalyptic number.

221001201202010 is a deficient number, since it is larger than the sum of its proper divisors (176801315637190).

221001201202010 is a wasteful number, since it uses less digits than its factorization.

221001201202010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19704205.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221001201202010 its reverse (10202102100122), we get a palindrome (231203303302132).

The spelling of 221001201202010 in words is "two hundred twenty-one trillion, one billion, two hundred one million, two hundred two thousand, ten".