Search a number
-
+
2201120101221 = 317149739391961
BaseRepresentation
bin100000000001111100111…
…110110101001101100101
321210102110211210120110220
4200001330332311031211
5242030343221214341
64403103002434553
7315011544105216
oct40017476651545
97712424716426
102201120101221
11779542a06678
122b6712802a59
1312c745951722
147876b62340d
153c3c9958a66
hex2007cfb5365

2201120101221 has 32 divisors (see below), whose sum is σ = 3132560304000. Its totient is φ = 1369966049280.

The previous prime is 2201120101199. The next prime is 2201120101247. The reversal of 2201120101221 is 1221010211022.

2201120101221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2201120101221 - 25 = 2201120101189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2201120101221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201120101021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5419681 + ... + 5811641.

It is an arithmetic number, because the mean of its divisors is an integer number (97892509500).

Almost surely, 22201120101221 is an apocalyptic number.

It is an amenable number.

2201120101221 is a deficient number, since it is larger than the sum of its proper divisors (931440202779).

2201120101221 is a wasteful number, since it uses less digits than its factorization.

2201120101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392869.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2201120101221 its reverse (1221010211022), we get a palindrome (3422130312243).

The spelling of 2201120101221 in words is "two trillion, two hundred one billion, one hundred twenty million, one hundred one thousand, two hundred twenty-one".

Divisors: 1 3 17 51 149 447 739 2217 2533 7599 12563 37689 110111 330333 391961 1175883 1871887 5615661 6663337 19990011 58402189 175206567 289659179 868977537 992837213 2978511639 4924206043 14772618129 43159217671 129477653013 733706700407 2201120101221