112120002110021 has 8 divisors (see below), whose sum is σ = 113153431758840. Its totient is φ = 111086659839168.

The previous prime is 112120002109987. The next prime is 112120002110117. The reversal of 112120002110021 is 120011200021211.

It can be written as a sum of positive squares in 4 ways, for example, as 477638560996 + 111642363549025 = 691114^2 + 10566095^2 .

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-112120002110021 is a prime.

It is a super-2 number, since 2×112120002110021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112120002109978 and 112120002110005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112120002130021) 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, 19264946 + ... + 24400371.

It is an arithmetic number, because the mean of its divisors is an integer number (14144178969855).

Almost surely, 2^{112120002110021} is an apocalyptic number.

It is an amenable number.

112120002110021 is a deficient number, since it is larger than the sum of its proper divisors (1033429648819).

112120002110021 is a wasteful number, since it uses less digits than its factorization.

112120002110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43688983.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 112120002110021 its reverse (120011200021211), we get a palindrome (232131202131232).

The spelling of 112120002110021 in words is "one hundred twelve trillion, one hundred twenty billion, two million, one hundred ten thousand, twenty-one".