Base | Representation |
---|---|
bin | 11011110010100011010010… |
… | …100100010001101111101001 |
3 | 121000202020002010212102202101 |
4 | 123302203102210101233221 |
5 | 112004432324224201301 |
6 | 1111535335223533401 |
7 | 34513120225423255 |
oct | 3362432244215751 |
9 | 530666063772671 |
10 | 122221122100201 |
11 | 35a41761144753 |
12 | 1185b3325ba261 |
13 | 532752cca5b47 |
14 | 2227768d39265 |
15 | e1e3ba0c2701 |
hex | 6f28d2911be9 |
122221122100201 has 4 divisors (see below), whose sum is σ = 122228520937600. Its totient is φ = 122213723262804.
The previous prime is 122221122100153. The next prime is 122221122100211. The reversal of 122221122100201 is 102001221122221.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 122221122100201 - 237 = 122083683146729 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122221122100211) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3699393921 + ... + 3699426958.
It is an arithmetic number, because the mean of its divisors is an integer number (30557130234400).
Almost surely, 2122221122100201 is an apocalyptic number.
It is an amenable number.
122221122100201 is a deficient number, since it is larger than the sum of its proper divisors (7398837399).
122221122100201 is an equidigital number, since it uses as much as digits as its factorization.
122221122100201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7398837398.
The product of its (nonzero) digits is 128, while the sum is 19.
Adding to 122221122100201 its reverse (102001221122221), we get a palindrome (224222343222422).
The spelling of 122221122100201 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, one hundred twenty-two million, one hundred thousand, two hundred one".
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