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112220002121 = 2315793090013
BaseRepresentation
bin110100010000011010…
…1010101011101001001
3101201122210201202202212
41220200311111131021
53314311310031441
6123315252034505
711051626164563
oct1504065253511
9351583652685
10112220002121
11436572a1607
12198ba302a35
13a775412926
145607d8a333
152dbbe65eeb
hex1a20d55749

112220002121 has 8 divisors (see below), whose sum is σ = 117173330880. Its totient is φ = 107272856592.

The previous prime is 112220002117. The next prime is 112220002123. The reversal of 112220002121 is 121200022211.

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 112220002121 - 22 = 112220002117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112220002096 and 112220002105.

It is not an unprimeable number, because it can be changed into a prime (112220002123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1508690 + ... + 1581323.

It is an arithmetic number, because the mean of its divisors is an integer number (14646666360).

Almost surely, 2112220002121 is an apocalyptic number.

It is an amenable number.

112220002121 is a deficient number, since it is larger than the sum of its proper divisors (4953328759).

112220002121 is a wasteful number, since it uses less digits than its factorization.

112220002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3091615.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 112220002121 its reverse (121200022211), we get a palindrome (233420024332).

The spelling of 112220002121 in words is "one hundred twelve billion, two hundred twenty million, two thousand, one hundred twenty-one".

Divisors: 1 23 1579 36317 3090013 71070299 4879130527 112220002121