Base | Representation |
---|---|
bin | 110010010010111000101010… |
… | …000010111110010100010001 |
3 | 1002000012112011001212012101220 |
4 | 302102320222002332110101 |
5 | 212443120311420214301 |
6 | 2102241532253315253 |
7 | 64410115650361611 |
oct | 6222705202762421 |
9 | 1060175131765356 |
10 | 221200111101201 |
11 | 64532493050451 |
12 | 20986091795b29 |
13 | 9657108b89c6b |
14 | 3c8a1dd04aa41 |
15 | 1a88dc8759936 |
hex | c92e2a0be511 |
221200111101201 has 8 divisors (see below), whose sum is σ = 294933579120960. Its totient is φ = 147466691907792.
The previous prime is 221200111101169. The next prime is 221200111101241. The reversal of 221200111101201 is 102101111002122.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 221200111101201 - 25 = 221200111101169 is a prime.
It is not an unprimeable number, because it can be changed into a prime (221200111101241) 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, 151596 + ... + 21033858.
It is an arithmetic number, because the mean of its divisors is an integer number (36866697390120).
Almost surely, 2221200111101201 is an apocalyptic number.
It is an amenable number.
221200111101201 is a deficient number, since it is larger than the sum of its proper divisors (73733468019759).
221200111101201 is a wasteful number, since it uses less digits than its factorization.
221200111101201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24413175.
The product of its (nonzero) digits is 16, while the sum is 15.
Adding to 221200111101201 its reverse (102101111002122), we get a palindrome (323301222103323).
The spelling of 221200111101201 in words is "two hundred twenty-one trillion, two hundred billion, one hundred eleven million, one hundred one thousand, two hundred one".
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