Base | Representation |
---|---|
bin | 111000110111100001… |
… | …0100010010100000101 |
3 | 102200012220010101211112 |
4 | 1301233002202110011 |
5 | 4000101214120401 |
6 | 132034014414405 |
7 | 11552204020634 |
oct | 1615702422405 |
9 | 380186111745 |
10 | 122122020101 |
11 | 47878773244 |
12 | 1b802501405 |
13 | b692a14c73 |
14 | 5ca70c551b |
15 | 329b41c3bb |
hex | 1c6f0a2505 |
122122020101 has 4 divisors (see below), whose sum is σ = 122144298432. Its totient is φ = 122099741772.
The previous prime is 122122020067. The next prime is 122122020103. The reversal of 122122020101 is 101020221221.
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 a de Polignac number, because none of the positive numbers 2k-122122020101 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122122020103) 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, 11130941 + ... + 11141906.
It is an arithmetic number, because the mean of its divisors is an integer number (30536074608).
Almost surely, 2122122020101 is an apocalyptic number.
It is an amenable number.
122122020101 is a deficient number, since it is larger than the sum of its proper divisors (22278331).
122122020101 is an equidigital number, since it uses as much as digits as its factorization.
122122020101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22278330.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 122122020101 its reverse (101020221221), we get a palindrome (223142241322).
The spelling of 122122020101 in words is "one hundred twenty-two billion, one hundred twenty-two million, twenty thousand, one hundred one".
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