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222301312121 = 7191671438437
BaseRepresentation
bin1100111100001000110…
…0001101010001111001
3210020210120010201111102
43033002030031101321
512120233113441441
6250042424341145
722026555655460
oct3170214152171
9706716121442
10222301312121
1186306328069
12371003147b5
1317c6970b255
14aa8bc979d7
155bb127069b
hex33c230d479

222301312121 has 8 divisors (see below), whose sum is σ = 267430150080. Its totient is φ = 180515351088.

The previous prime is 222301312117. The next prime is 222301312157. The reversal of 222301312121 is 121213103222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 222301312121 - 22 = 222301312117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222301312093 and 222301312102.

It is not an unprimeable number, because it can be changed into a prime (222301312171) 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, 835719086 + ... + 835719351.

It is an arithmetic number, because the mean of its divisors is an integer number (33428768760).

Almost surely, 2222301312121 is an apocalyptic number.

It is an amenable number.

222301312121 is a deficient number, since it is larger than the sum of its proper divisors (45128837959).

222301312121 is a wasteful number, since it uses less digits than its factorization.

222301312121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671438463.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 222301312121 its reverse (121213103222), we get a palindrome (343514415343).

The spelling of 222301312121 in words is "two hundred twenty-two billion, three hundred one million, three hundred twelve thousand, one hundred twenty-one".

Divisors: 1 7 19 133 1671438437 11700069059 31757330303 222301312121