100112200012221 has 4 divisors (see below), whose sum is σ = 133482933349632. Its totient is φ = 66741466674812.

The previous prime is 100112200012169. The next prime is 100112200012247. The reversal of 100112200012221 is 122210002211001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100112200012221 - 2⁶ = 100112200012157 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 100112200012221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100112200012271) 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 3 ways as a sum of consecutive naturals, for example, 16685366668701 + ... + 16685366668706.

It is an arithmetic number, because the mean of its divisors is an integer number (33370733337408).

Almost surely, 2^{100112200012221} is an apocalyptic number.

It is an amenable number.

100112200012221 is a deficient number, since it is larger than the sum of its proper divisors (33370733337411).

100112200012221 is an equidigital number, since it uses as much as digits as its factorization.

100112200012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33370733337410.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100112200012221 its reverse (122210002211001), we get a palindrome (222322202223222).

The spelling of 100112200012221 in words is "one hundred trillion, one hundred twelve billion, two hundred million, twelve thousand, two hundred twenty-one".