112111120021 has 8 divisors (see below), whose sum is σ = 112318424064. Its totient is φ = 111903872640.

The previous prime is 112111119977. The next prime is 112111120031. The reversal of 112111120021 is 120021111211.

It is a happy number.

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 112111120021 - 2¹¹ = 112111117973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112111119983 and 112111120010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112111120031) 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, 7430341 + ... + 7445413.

It is an arithmetic number, because the mean of its divisors is an integer number (14039803008).

Almost surely, 2^112111120021 is an apocalyptic number.

It is an amenable number.

112111120021 is a deficient number, since it is larger than the sum of its proper divisors (207304043).

112111120021 is a wasteful number, since it uses less digits than its factorization.

112111120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28331.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 112111120021 its reverse (120021111211), we get a palindrome (232132231232).

The spelling of 112111120021 in words is "one hundred twelve billion, one hundred eleven million, one hundred twenty thousand, twenty-one".