Base | Representation |
---|---|
bin | 10111000000101011110100… |
… | …100010111010001010111101 |
3 | 111021022211100220100121010002 |
4 | 113000223310202322022331 |
5 | 101231043421242021341 |
6 | 555123340233524045 |
7 | 30213416634336251 |
oct | 2700536442721275 |
9 | 437284326317102 |
10 | 101202122220221 |
11 | 2a278640728780 |
12 | b425795b73625 |
13 | 446141c2cb659 |
14 | 1adc2cd12c261 |
15 | ba777596129b |
hex | 5c0af48ba2bd |
101202122220221 has 8 divisors (see below), whose sum is σ = 110407908492000. Its totient is φ = 91997268172240.
The previous prime is 101202122220211. The next prime is 101202122220223. The reversal of 101202122220221 is 122022221202101.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-101202122220221 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 101202122220193 and 101202122220202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101202122220223) 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, 232828946 + ... + 233263203.
It is an arithmetic number, because the mean of its divisors is an integer number (13800988561500).
Almost surely, 2101202122220221 is an apocalyptic number.
101202122220221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
101202122220221 is a deficient number, since it is larger than the sum of its proper divisors (9205786271779).
101202122220221 is a wasteful number, since it uses less digits than its factorization.
101202122220221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 466111899.
The product of its (nonzero) digits is 256, while the sum is 20.
Adding to 101202122220221 its reverse (122022221202101), we get a palindrome (223224343422322).
The spelling of 101202122220221 in words is "one hundred one trillion, two hundred two billion, one hundred twenty-two million, two hundred twenty thousand, two hundred twenty-one".
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