Base | Representation |
---|---|
bin | 10111001111011111110011… |
… | …011100111010101000110001 |
3 | 111101221010201022220100102021 |
4 | 113033133303130322220301 |
5 | 101344233040321334301 |
6 | 1001223120321351441 |
7 | 30350103111260461 |
oct | 2717376334725061 |
9 | 441833638810367 |
10 | 102220011121201 |
11 | 2a630299453756 |
12 | b56ab0aa98581 |
13 | 45063c87990ac |
14 | 1b35691321ba1 |
15 | bc3e9c9378a1 |
hex | 5cf7f373aa31 |
102220011121201 has 4 divisors (see below), whose sum is σ = 104148690576372. Its totient is φ = 100291331666032.
The previous prime is 102220011121199. The next prime is 102220011121223. The reversal of 102220011121201 is 102121110022201.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 84232912266801 + 17987098854400 = 9177849^2 + 4241120^2 .
It is a cyclic number.
It is not a de Polignac number, because 102220011121201 - 21 = 102220011121199 is a prime.
It is a super-2 number, since 2×1022200111212012 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102220011121231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 964339727506 + ... + 964339727611.
It is an arithmetic number, because the mean of its divisors is an integer number (26037172644093).
Almost surely, 2102220011121201 is an apocalyptic number.
It is an amenable number.
102220011121201 is a deficient number, since it is larger than the sum of its proper divisors (1928679455171).
102220011121201 is an equidigital number, since it uses as much as digits as its factorization.
102220011121201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1928679455170.
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 102220011121201 its reverse (102121110022201), we get a palindrome (204341121143402).
The spelling of 102220011121201 in words is "one hundred two trillion, two hundred twenty billion, eleven million, one hundred twenty-one thousand, two hundred one".
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