111112112212001 has 8 divisors (see below), whose sum is σ = 111176562683904. Its totient is φ = 111047664134880.

The previous prime is 111112112211973. The next prime is 111112112212007. The reversal of 111112112212001 is 100212211211111.

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

It is a cyclic number.

It is not a de Polignac number, because 111112112212001 - 2⁴² = 106714065700897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111112112212007) 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, 96811616 + ... + 97952606.

It is an arithmetic number, because the mean of its divisors is an integer number (13897070335488).

Almost surely, 2^{111112112212001} is an apocalyptic number.

It is an amenable number.

111112112212001 is a deficient number, since it is larger than the sum of its proper divisors (64450471903).

111112112212001 is a wasteful number, since it uses less digits than its factorization.

111112112212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197391.

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

Adding to 111112112212001 its reverse (100212211211111), we get a palindrome (211324323423112).

The spelling of 111112112212001 in words is "one hundred eleven trillion, one hundred twelve billion, one hundred twelve million, two hundred twelve thousand, one".