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112130221021 = 7131232200231
BaseRepresentation
bin110100001101101111…
…0110110001111011101
3101201102112210102020221
41220123132312033131
53314120314033041
6123302323441341
711046456103240
oct1503336661735
9351375712227
10112130221021
114361064a755
1219894226251
13a75c939510
1455da099257
152db412e2d1
hex1a1b7b63dd

112130221021 has 8 divisors (see below), whose sum is σ = 138006425984. Its totient is φ = 88718416560.

The previous prime is 112130221019. The next prime is 112130221043. The reversal of 112130221021 is 120122031211.

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 112130221021 - 21 = 112130221019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112130220986 and 112130221004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112130231021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 616100025 + ... + 616100206.

It is an arithmetic number, because the mean of its divisors is an integer number (17250803248).

Almost surely, 2112130221021 is an apocalyptic number.

It is an amenable number.

112130221021 is a deficient number, since it is larger than the sum of its proper divisors (25876204963).

112130221021 is a wasteful number, since it uses less digits than its factorization.

112130221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232200251.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 112130221021 its reverse (120122031211), we get a palindrome (232252252232).

The spelling of 112130221021 in words is "one hundred twelve billion, one hundred thirty million, two hundred twenty-one thousand, twenty-one".

Divisors: 1 7 13 91 1232200231 8625401617 16018603003 112130221021