221201100211202 has 16 divisors (see below), whose sum is σ = 333003733258752. Its totient is φ = 110199906132960.

The previous prime is 221201100211103. The next prime is 221201100211207. The reversal of 221201100211202 is 202112001102122.

It is not an unprimeable number, because it can be changed into a prime (221201100211207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3783758 + ... + 21370985.

It is an arithmetic number, because the mean of its divisors is an integer number (20812733328672).

Almost surely, 2^{221201100211202} is an apocalyptic number.

221201100211202 is a deficient number, since it is larger than the sum of its proper divisors (111802633047550).

221201100211202 is a wasteful number, since it uses less digits than its factorization.

221201100211202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25170673.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221201100211202 its reverse (202112001102122), we get a palindrome (423313101313324).

The spelling of 221201100211202 in words is "two hundred twenty-one trillion, two hundred one billion, one hundred million, two hundred eleven thousand, two hundred two".