Search a number
-
+
112021112221 = 599671963457
BaseRepresentation
bin110100001010011111…
…0101000010110011101
3101201010221111010010021
41220110332220112131
53313404401042341
6123243425112141
711043662512624
oct1502476502635
9351127433107
10112021112221
1143564aa7697
1219863788651
13a7431569b5
1455c97b66bb
152da977a9d1
hex1a14fa859d

112021112221 has 8 divisors (see below), whose sum is σ = 114037640640. Its totient is φ = 110008512768.

The previous prime is 112021112207. The next prime is 112021112237. The reversal of 112021112221 is 122211120211.

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 112021112221 - 225 = 111987557789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112021112195 and 112021112204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112021112521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 924676 + ... + 1038781.

It is an arithmetic number, because the mean of its divisors is an integer number (14254705080).

Almost surely, 2112021112221 is an apocalyptic number.

It is an amenable number.

112021112221 is a deficient number, since it is larger than the sum of its proper divisors (2016528419).

112021112221 is an equidigital number, since it uses as much as digits as its factorization.

112021112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964483.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112021112221 its reverse (122211120211), we get a palindrome (234232232432).

The spelling of 112021112221 in words is "one hundred twelve billion, twenty-one million, one hundred twelve thousand, two hundred twenty-one".

Divisors: 1 59 967 57053 1963457 115843963 1898662919 112021112221