Base | Representation |
---|---|
bin | 11011010011111110100100… |
… | …100011110100010111101001 |
3 | 120202022101000002020012212121 |
4 | 123103332210203310113221 |
5 | 111221021441433021301 |
6 | 1103250230045111241 |
7 | 34205251222542541 |
oct | 3323764443642751 |
9 | 522271002205777 |
10 | 120120111220201 |
11 | 35301720293754 |
12 | 115800ba258521 |
13 | 520437c6858c1 |
14 | 2193bb7088321 |
15 | dd48ee27a3a1 |
hex | 6d3fa48f45e9 |
120120111220201 has 4 divisors (see below), whose sum is σ = 120145193728900. Its totient is φ = 120095028711504.
The previous prime is 120120111220163. The next prime is 120120111220231. The reversal of 120120111220201 is 102022111021021.
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 10789247520601 + 109330863699600 = 3284699^2 + 10456140^2 .
It is a cyclic number.
It is not a de Polignac number, because 120120111220201 - 211 = 120120111218153 is a prime.
It is a super-2 number, since 2×1201201112202012 (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 (120120111220231) 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, 12541247166 + ... + 12541256743.
It is an arithmetic number, because the mean of its divisors is an integer number (30036298432225).
Almost surely, 2120120111220201 is an apocalyptic number.
It is an amenable number.
120120111220201 is a deficient number, since it is larger than the sum of its proper divisors (25082508699).
120120111220201 is an equidigital number, since it uses as much as digits as its factorization.
120120111220201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25082508698.
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 120120111220201 its reverse (102022111021021), we get a palindrome (222142222241222).
The spelling of 120120111220201 in words is "one hundred twenty trillion, one hundred twenty billion, one hundred eleven million, two hundred twenty thousand, two hundred one".
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