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112201021021 = 2391447324437
BaseRepresentation
bin110100001111110110…
…0111011011001011101
3101201121111000102121011
41220133230323121131
53314241430133041
6123313333135221
711051305641235
oct1503754733135
9351544012534
10112201021021
1143647607851
12198b3a8a511
13a7714c81cb
145605648cc5
152dba466e81
hex1a1fb3b65d

112201021021 has 8 divisors (see below), whose sum is σ = 112748693760. Its totient is φ = 111654000528.

The previous prime is 112201021001. The next prime is 112201021027. The reversal of 112201021021 is 120120102211.

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 112201021021 - 25 = 112201020989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112201020992 and 112201021010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112201021027) 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, 183615 + ... + 508051.

It is an arithmetic number, because the mean of its divisors is an integer number (14093586720).

Almost surely, 2112201021021 is an apocalyptic number.

It is an amenable number.

112201021021 is a deficient number, since it is larger than the sum of its proper divisors (547672739).

112201021021 is a wasteful number, since it uses less digits than its factorization.

112201021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326123.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 112201021021 its reverse (120120102211), we get a palindrome (232321123232).

The spelling of 112201021021 in words is "one hundred twelve billion, two hundred one million, twenty-one thousand, twenty-one".

Divisors: 1 239 1447 324437 345833 77540443 469460339 112201021021