Base | Representation |
---|---|
bin | 10001011111100010110… |
… | …100001111011011101101 |
3 | 11020220211111112012110012 |
4 | 101133202310033123231 |
5 | 124143400403033401 |
6 | 2320123201023005 |
7 | 152564121534044 |
oct | 21374264173355 |
9 | 4226744465405 |
10 | 1202101221101 |
11 | 423898889660 |
12 | 174b85324a65 |
13 | 89485a125c1 |
14 | 4227961155b |
15 | 214093e48bb |
hex | 117e2d0f6ed |
1202101221101 has 4 divisors (see below), whose sum is σ = 1311383150304. Its totient is φ = 1092819291900.
The previous prime is 1202101221091. The next prime is 1202101221131. The reversal of 1202101221101 is 1011221012021.
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 1202101221101 - 26 = 1202101221037 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1202101221131) 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, 54640964585 + ... + 54640964606.
It is an arithmetic number, because the mean of its divisors is an integer number (327845787576).
Almost surely, 21202101221101 is an apocalyptic number.
1202101221101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1202101221101 is a deficient number, since it is larger than the sum of its proper divisors (109281929203).
1202101221101 is a wasteful number, since it uses less digits than its factorization.
1202101221101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109281929202.
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 1202101221101 its reverse (1011221012021), we get a palindrome (2213322233122).
The spelling of 1202101221101 in words is "one trillion, two hundred two billion, one hundred one million, two hundred twenty-one thousand, one hundred one".
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