221001210102202 has 16 divisors (see below), whose sum is σ = 348971952326400. Its totient is φ = 104677981767360.

The previous prime is 221001210102187. The next prime is 221001210102203. The reversal of 221001210102202 is 202201012100122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (221001210102203) by changing a digit.

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, 188350927 + ... + 189520642.

It is an arithmetic number, because the mean of its divisors is an integer number (21810747020400).

Almost surely, 2^{221001210102202} is an apocalyptic number.

221001210102202 is a deficient number, since it is larger than the sum of its proper divisors (127970742224198).

221001210102202 is a wasteful number, since it uses less digits than its factorization.

221001210102202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377886981.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 221001210102202 its reverse (202201012100122), we get a palindrome (423202222202324).

The spelling of 221001210102202 in words is "two hundred twenty-one trillion, one billion, two hundred ten million, one hundred two thousand, two hundred two".