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112112221102021 = 717942119505059
BaseRepresentation
bin11001011111011100101001…
…000111010001111111000101
3112200221211020110012021122001
4121133130221013101333011
5104143321312100231041
61034235350544305301
732420561231613310
oct3137345107217705
9480854213167561
10112112221102021
11327a4587063998
12106a8124012231
134a731a2241c7a
141d98390985977
15ce64697c2131
hex65f7291d1fc5

112112221102021 has 8 divisors (see below), whose sum is σ = 135665208728640. Its totient is φ = 90443472485568.

The previous prime is 112112221102019. The next prime is 112112221102087. The reversal of 112112221102021 is 120201122211211.

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 112112221102021 - 21 = 112112221102019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112112221102021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112118221102021) 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, 471059752411 + ... + 471059752648.

It is an arithmetic number, because the mean of its divisors is an integer number (16958151091080).

Almost surely, 2112112221102021 is an apocalyptic number.

It is an amenable number.

112112221102021 is a deficient number, since it is larger than the sum of its proper divisors (23552987626619).

112112221102021 is an equidigital number, since it uses as much as digits as its factorization.

112112221102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942119505083.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 112112221102021 its reverse (120201122211211), we get a palindrome (232313343313232).

The spelling of 112112221102021 in words is "one hundred twelve trillion, one hundred twelve billion, two hundred twenty-one million, one hundred two thousand, twenty-one".

Divisors: 1 7 17 119 942119505059 6594836535413 16016031586003 112112221102021