Base | Representation |
---|---|
bin | 10111000000111100101010… |
… | …001011110101101001010110 |
3 | 111021101120000220200010211000 |
4 | 113000330222023311221112 |
5 | 101231342433203324342 |
6 | 555135530250324130 |
7 | 30214626652124220 |
oct | 2700745213655126 |
9 | 437346026603730 |
10 | 101220202011222 |
11 | 2a285279259308 |
12 | b4291a0a29646 |
13 | 4463040c18138 |
14 | 1add1263a9410 |
15 | ba7e82d2b44c |
hex | 5c0f2a2f5a56 |
101220202011222 has 128 divisors (see below), whose sum is σ = 272790523699200. Its totient is φ = 27193805055648.
The previous prime is 101220202011209. The next prime is 101220202011223. The reversal of 101220202011222 is 222110202022101.
It is a happy number.
101220202011222 is a `hidden beast` number, since 1 + 0 + 1 + 220 + 20 + 201 + 1 + 222 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 101220202011195 and 101220202011204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101220202011223) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 98152608 + ... + 99178499.
It is an arithmetic number, because the mean of its divisors is an integer number (2131175966400).
Almost surely, 2101220202011222 is an apocalyptic number.
101220202011222 is an abundant number, since it is smaller than the sum of its proper divisors (171570321687978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
101220202011222 is a wasteful number, since it uses less digits than its factorization.
101220202011222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 197331207 (or 197331201 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 101220202011222 its reverse (222110202022101), we get a palindrome (323330404033323).
The spelling of 101220202011222 in words is "one hundred one trillion, two hundred twenty billion, two hundred two million, eleven thousand, two hundred twenty-two".
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