Search a number
-
+
220110102121 = 71317393139067
BaseRepresentation
bin1100110011111110010…
…1011001111001101001
3210001010211222201110111
43030333211121321221
512101241141231441
6245041151214321
721621350666230
oct3147745317151
9701124881414
10220110102121
1185391461608
12367aa5173a1
13179aa7667a0
14a920c67b17
155ad3bdd081
hex333f959e69

220110102121 has 16 divisors (see below), whose sum is σ = 270922264704. Its totient is φ = 174141782784.

The previous prime is 220110102083. The next prime is 220110102127. The reversal of 220110102121 is 121201011022.

It is a cyclic number.

It is not a de Polignac number, because 220110102121 - 225 = 220076547689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (220110102127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1513230 + ... + 1652296.

It is an arithmetic number, because the mean of its divisors is an integer number (16932641544).

Almost surely, 2220110102121 is an apocalyptic number.

It is an amenable number.

220110102121 is a deficient number, since it is larger than the sum of its proper divisors (50812162583).

220110102121 is a wasteful number, since it uses less digits than its factorization.

220110102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156480.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 220110102121 its reverse (121201011022), we get a palindrome (341311113143).

The spelling of 220110102121 in words is "two hundred twenty billion, one hundred ten million, one hundred two thousand, one hundred twenty-one".

Divisors: 1 7 13 91 17393 121751 139067 226109 973469 1582763 1807871 12655097 2418792331 16931546317 31444300303 220110102121