Base | Representation |
---|---|
bin | 11011100010100010101110… |
… | …010011100001110111000011 |
3 | 120212212001110220000010201122 |
4 | 123202202232103201313003 |
5 | 111333421303014232321 |
6 | 1105334115322222455 |
7 | 34340463225633326 |
oct | 3342425623416703 |
9 | 525761426003648 |
10 | 121121002102211 |
11 | 35658146083471 |
12 | 1170208a654a2b |
13 | 527787a3a4857 |
14 | 21ca4059567bd |
15 | e0097dd1b8ab |
hex | 6e28ae4e1dc3 |
121121002102211 has 8 divisors (see below), whose sum is σ = 121988356218960. Its totient is φ = 120256718266368.
The previous prime is 121121002102171. The next prime is 121121002102229. The reversal of 121121002102211 is 112201200121121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 121121002102211 - 26 = 121121002102147 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 121121002102211.
It is not an unprimeable number, because it can be changed into a prime (121121002102271) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767491046 + ... + 767648843.
It is an arithmetic number, because the mean of its divisors is an integer number (15248544527370).
Almost surely, 2121121002102211 is an apocalyptic number.
121121002102211 is a deficient number, since it is larger than the sum of its proper divisors (867354116749).
121121002102211 is a wasteful number, since it uses less digits than its factorization.
121121002102211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1535140453.
The product of its (nonzero) digits is 32, while the sum is 17.
Adding to 121121002102211 its reverse (112201200121121), we get a palindrome (233322202223332).
The spelling of 121121002102211 in words is "one hundred twenty-one trillion, one hundred twenty-one billion, two million, one hundred two thousand, two hundred eleven".
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