221111000010202 has 16 divisors (see below), whose sum is σ = 349654687607232. Its totient is φ = 104658545946240.

The previous prime is 221111000010191. The next prime is 221111000010209. The reversal of 221111000010202 is 202010000111122.

221111000010202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (221111000010209) 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, 24777113424 + ... + 24777122347.

It is an arithmetic number, because the mean of its divisors is an integer number (21853417975452).

Almost surely, 2^{221111000010202} is an apocalyptic number.

221111000010202 is a deficient number, since it is larger than the sum of its proper divisors (128543687597030).

221111000010202 is a wasteful number, since it uses less digits than its factorization.

221111000010202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49554235893.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 221111000010202 its reverse (202010000111122), we get a palindrome (423121000121324).

The spelling of 221111000010202 in words is "two hundred twenty-one trillion, one hundred eleven billion, ten thousand, two hundred two".