Search a number
-
+
102201201210221 = 475934679619261
BaseRepresentation
bin10111001111001110010010…
…010010110011001101101101
3111101212100011102201212101122
4113033032102102303031231
5101343431030002211341
61001210330023550325
730345536016543041
oct2717162222631555
9441770142655348
10102201201210221
112a623316781183
12b56733b5bb3a5
1345046bb825759
141b347c910a021
15bc374b3ea94b
hex5cf3924b336d

102201201210221 has 8 divisors (see below), whose sum is σ = 102225789321600. Its totient is φ = 102176614416240.

The previous prime is 102201201210197. The next prime is 102201201210271. The reversal of 102201201210221 is 122012102102201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102201201210221 - 226 = 102201134101357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102201201210221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102201201210271) 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, 164727731 + ... + 165346991.

It is an arithmetic number, because the mean of its divisors is an integer number (12778223665200).

Almost surely, 2102201201210221 is an apocalyptic number.

It is an amenable number.

102201201210221 is a deficient number, since it is larger than the sum of its proper divisors (24588111379).

102201201210221 is an equidigital number, since it uses as much as digits as its factorization.

102201201210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658699.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102201201210221 its reverse (122012102102201), we get a palindrome (224213303312422).

The spelling of 102201201210221 in words is "one hundred two trillion, two hundred one billion, two hundred one million, two hundred ten thousand, two hundred twenty-one".

Divisors: 1 4759 34679 619261 165037361 2947063099 21475352219 102201201210221