111112212020111 has 8 divisors (see below), whose sum is σ = 111961117382400. Its totient is φ = 110263317575320.

The previous prime is 111112212020081. The next prime is 111112212020171. The reversal of 111112212020111 is 111020212211111.

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 111112212020111 - 2⁴⁶ = 40743467842447 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 111112212020111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111112212020171) 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, 18321080 + ... + 23619618.

It is an arithmetic number, because the mean of its divisors is an integer number (13995139672800).

Almost surely, 2^{111112212020111} is an apocalyptic number.

111112212020111 is a deficient number, since it is larger than the sum of its proper divisors (848905362289).

111112212020111 is a wasteful number, since it uses less digits than its factorization.

111112212020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5458749.

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

Adding to 111112212020111 its reverse (111020212211111), we get a palindrome (222132424231222).

The spelling of 111112212020111 in words is "one hundred eleven trillion, one hundred twelve billion, two hundred twelve million, twenty thousand, one hundred eleven".