100001202210221 has 16 divisors (see below), whose sum is σ = 113365217481600. Its totient is φ = 87447720305088.

The previous prime is 100001202210137. The next prime is 100001202210289. The reversal of 100001202210221 is 122012202100001.

It is a de Polignac number, because none of the positive numbers 2^k-100001202210221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100001202210196 and 100001202210205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100001202210121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1661840 + ... + 14239526.

It is an arithmetic number, because the mean of its divisors is an integer number (7085326092600).

Almost surely, 2^{100001202210221} is an apocalyptic number.

It is an amenable number.

100001202210221 is a deficient number, since it is larger than the sum of its proper divisors (13364015271379).

100001202210221 is a wasteful number, since it uses less digits than its factorization.

100001202210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12609908.

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

Adding to 100001202210221 its reverse (122012202100001), we get a palindrome (222013404310222).

The spelling of 100001202210221 in words is "one hundred trillion, one billion, two hundred two million, two hundred ten thousand, two hundred twenty-one".