100112211212111 has 8 divisors (see below), whose sum is σ = 114414543390624. Its totient is φ = 85810025963520.

The previous prime is 100112211212093. The next prime is 100112211212173. The reversal of 100112211212111 is 111212112211001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100112211212111 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 100112211212111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100112211212311) 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, 35268530 + ... + 38001231.

It is an arithmetic number, because the mean of its divisors is an integer number (14301817923828).

Almost surely, 2^{100112211212111} is an apocalyptic number.

100112211212111 is a deficient number, since it is larger than the sum of its proper divisors (14302332178513).

100112211212111 is an equidigital number, since it uses as much as digits as its factorization.

100112211212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73464961.

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

Adding to 100112211212111 its reverse (111212112211001), we get a palindrome (211324323423112).

The spelling of 100112211212111 in words is "one hundred trillion, one hundred twelve billion, two hundred eleven million, two hundred twelve thousand, one hundred eleven".