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112223031121 = 1237835310861
BaseRepresentation
bin110100010000100000…
…0111000111101010001
3101201200000102122210001
41220201000320331101
53314313043443441
6123315441010001
711051664011515
oct1504100707521
9351600378701
10112223031121
1143658a80313
12198bb323901
13a775c33536
145608538145
152dbc363731
hex1a21038f51

112223031121 has 8 divisors (see below), whose sum is σ = 112337541224. Its totient is φ = 112108561920.

The previous prime is 112223031113. The next prime is 112223031131. The reversal of 112223031121 is 121130322211.

It can be written as a sum of positive squares in 4 ways, for example, as 31077811521 + 81145219600 = 176289^2 + 284860^2 .

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 112223031121 - 23 = 112223031113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112223031131) 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, 10327231 + ... + 10338091.

It is an arithmetic number, because the mean of its divisors is an integer number (14042192653).

Almost surely, 2112223031121 is an apocalyptic number.

It is an amenable number.

112223031121 is a deficient number, since it is larger than the sum of its proper divisors (114510103).

112223031121 is a wasteful number, since it uses less digits than its factorization.

112223031121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20451.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 112223031121 its reverse (121130322211), we get a palindrome (233353353332).

The spelling of 112223031121 in words is "one hundred twelve billion, two hundred twenty-three million, thirty-one thousand, one hundred twenty-one".

Divisors: 1 1237 8353 10861 10332661 13435057 90721933 112223031121