Search a number
-
+
112121133321 = 31371268921499
BaseRepresentation
bin110100001101011110…
…0001011100100001001
3101201101220200201021110
41220122330023210021
53314111002231241
6123301401000533
711046315623421
oct1503274134411
9351356621243
10112121133321
1143606502a5a
1219891183149
13a75aaa6c92
1455d8bb1481
152db3436816
hex1a1af0b909

112121133321 has 16 divisors (see below), whose sum is σ = 150604920000. Its totient is φ = 74192521728.

The previous prime is 112121133283. The next prime is 112121133437. The reversal of 112121133321 is 123331121211.

It is not a de Polignac number, because 112121133321 - 214 = 112121116937 is a prime.

It is a super-2 number, since 2×1121211333212 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (112121153321) 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 15 ways as a sum of consecutive naturals, for example, 5204430 + ... + 5225928.

It is an arithmetic number, because the mean of its divisors is an integer number (9412807500).

Almost surely, 2112121133321 is an apocalyptic number.

It is an amenable number.

112121133321 is a deficient number, since it is larger than the sum of its proper divisors (38483786679).

112121133321 is a wasteful number, since it uses less digits than its factorization.

112121133321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34328.

The product of its digits is 216, while the sum is 21.

Adding to 112121133321 its reverse (123331121211), we get a palindrome (235452254532).

The spelling of 112121133321 in words is "one hundred twelve billion, one hundred twenty-one million, one hundred thirty-three thousand, three hundred twenty-one".

Divisors: 1 3 137 411 12689 21499 38067 64497 1738393 2945363 5215179 8836089 272800811 818402433 37373711107 112121133321