100112221111211 has 16 divisors (see below), whose sum is σ = 105525058111200. Its totient is φ = 94830326642688.

The previous prime is 100112221111127. The next prime is 100112221111213. The reversal of 100112221111211 is 112111122211001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100112221111211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100112221111211.

It is not an unprimeable number, because it can be changed into a prime (100112221111213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22451660 + ... + 26538678.

It is an arithmetic number, because the mean of its divisors is an integer number (6595316131950).

Almost surely, 2^{100112221111211} is an apocalyptic number.

100112221111211 is a deficient number, since it is larger than the sum of its proper divisors (5412836999989).

100112221111211 is a wasteful number, since it uses less digits than its factorization.

100112221111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4103038.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 100112221111211 its reverse (112111122211001), we get a palindrome (212223343322212).

The spelling of 100112221111211 in words is "one hundred trillion, one hundred twelve billion, two hundred twenty-one million, one hundred eleven thousand, two hundred eleven".