Base | Representation |
---|---|
bin | 11011100101011110000111… |
… | …010010101001010101111001 |
3 | 120220120021211111002022200111 |
4 | 123211132013102221111321 |
5 | 111400220342010202301 |
6 | 1110010353155504321 |
7 | 34361145326346400 |
oct | 3345360722512571 |
9 | 526507744068614 |
10 | 121322211022201 |
11 | 357255082930a2 |
12 | 11735082bb80a1 |
13 | 5290834cbc2a7 |
14 | 21d605240a637 |
15 | e05d0848e551 |
hex | 6e57874a9579 |
121322211022201 has 24 divisors (see below), whose sum is σ = 141234252502464. Its totient is φ = 103913610181920.
The previous prime is 121322211022193. The next prime is 121322211022213. The reversal of 121322211022201 is 102220112223121.
It is not a de Polignac number, because 121322211022201 - 23 = 121322211022193 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121322211022301) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 501453006 + ... + 501694888.
It is an arithmetic number, because the mean of its divisors is an integer number (5884760520936).
Almost surely, 2121322211022201 is an apocalyptic number.
It is an amenable number.
121322211022201 is a deficient number, since it is larger than the sum of its proper divisors (19912041480263).
121322211022201 is a wasteful number, since it uses less digits than its factorization.
121322211022201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 249421 (or 249414 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 22.
Adding to 121322211022201 its reverse (102220112223121), we get a palindrome (223542323245322).
The spelling of 121322211022201 in words is "one hundred twenty-one trillion, three hundred twenty-two billion, two hundred eleven million, twenty-two thousand, two hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •