Base | Representation |
---|---|
bin | 111000111010011110… |
… | …0111101100100111001 |
3 | 102200110210210101112101 |
4 | 1301310330331210321 |
5 | 4000302113102301 |
6 | 132051520543401 |
7 | 11554520150611 |
oct | 1616474754471 |
9 | 380423711471 |
10 | 122221222201 |
11 | 4791976a251 |
12 | 1b82b781b61 |
13 | b6aa439530 |
14 | 5cb6349a41 |
15 | 32a4eb5701 |
hex | 1c74f3d939 |
122221222201 has 32 divisors (see below), whose sum is σ = 138552099840. Its totient is φ = 107034220800.
The previous prime is 122221222183. The next prime is 122221222219. The reversal of 122221222201 is 102222122221.
It is an interprime number because it is at equal distance from previous prime (122221222183) and next prime (122221222219).
It is not a de Polignac number, because 122221222201 - 211 = 122221220153 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122221222601) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8861931 + ... + 8875711.
It is an arithmetic number, because the mean of its divisors is an integer number (4329753120).
Almost surely, 2122221222201 is an apocalyptic number.
It is an amenable number.
122221222201 is a deficient number, since it is larger than the sum of its proper divisors (16330877639).
122221222201 is a wasteful number, since it uses less digits than its factorization.
122221222201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14257.
The product of its (nonzero) digits is 256, while the sum is 19.
Adding to 122221222201 its reverse (102222122221), we get a palindrome (224443344422).
It can be divided in two parts, 12222122220 and 1, that added together give a palindrome (12222122221).
The spelling of 122221222201 in words is "one hundred twenty-two billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred one".
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