Base | Representation |
---|---|
bin | 11011100011111111110111… |
… | …111110011011100101110101 |
3 | 120220012121122110201022210222 |
4 | 123203333313332123211311 |
5 | 111342041123204131201 |
6 | 1105452100251024125 |
7 | 34350633636602522 |
oct | 3343776776334565 |
9 | 526177573638728 |
10 | 121221022333301 |
11 | 35696601977480 |
12 | 1171954313b045 |
13 | 528412a148947 |
14 | 21d11b3562149 |
15 | e03384c0091b |
hex | 6e3ff7f9b975 |
121221022333301 has 4 divisors (see below), whose sum is σ = 132241115272704. Its totient is φ = 110200929393900.
The previous prime is 121221022333291. The next prime is 121221022333331. The reversal of 121221022333301 is 103333220122121.
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-121221022333301 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 (121221022333331) 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, 5510046469685 + ... + 5510046469706.
It is an arithmetic number, because the mean of its divisors is an integer number (33060278818176).
Almost surely, 2121221022333301 is an apocalyptic number.
121221022333301 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
121221022333301 is a deficient number, since it is larger than the sum of its proper divisors (11020092939403).
121221022333301 is a wasteful number, since it uses less digits than its factorization.
121221022333301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11020092939402.
The product of its (nonzero) digits is 2592, while the sum is 26.
Adding to 121221022333301 its reverse (103333220122121), we get a palindrome (224554242455422).
The spelling of 121221022333301 in words is "one hundred twenty-one trillion, two hundred twenty-one billion, twenty-two million, three hundred thirty-three thousand, three hundred one".
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