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112112021002021 = 1011906958210709
BaseRepresentation
bin11001011111011100011101…
…001011111101011100100101
3112200221210201111200011000221
4121133130131023331130211
5104143320404334031041
61034235315035404341
732420553252031345
oct3137343513753445
9480853644604027
10112112021002021
11327a4494112897
12106a8088bb36b1
134a7316c9512c1
141d98372178d25
15ce6456e482d1
hex65f71d2fd725

112112021002021 has 8 divisors (see below), whose sum is σ = 113227980449400. Its totient is φ = 110996178014400.

The previous prime is 112112021002019. The next prime is 112112021002031. The reversal of 112112021002021 is 120200120211211.

It can be written as a sum of positive squares in 4 ways, for example, as 96130455688996 + 15981565313025 = 9804614^2 + 3997695^2 .

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 112112021002021 - 21 = 112112021002019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112112021001986 and 112112021002004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112112021002031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27179386 + ... + 31031323.

It is an arithmetic number, because the mean of its divisors is an integer number (14153497556175).

Almost surely, 2112112021002021 is an apocalyptic number.

It is an amenable number.

112112021002021 is a deficient number, since it is larger than the sum of its proper divisors (1115959447379).

112112021002021 is a wasteful number, since it uses less digits than its factorization.

112112021002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58229879.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112112021002021 its reverse (120200120211211), we get a palindrome (232312141213232).

The spelling of 112112021002021 in words is "one hundred twelve trillion, one hundred twelve billion, twenty-one million, two thousand, twenty-one".

Divisors: 1 101 19069 1925969 58210709 5879281609 1110020009921 112112021002021