Search a number
-
+
120101200102221 = 3134246172525799
BaseRepresentation
bin11011010011101100111101…
…010111101000001101001101
3120202020120012010121212221120
4123103230331113220031031
5111220214224211232341
61103233421334151153
734204011461645022
oct3323547527501515
9522216163555846
10120101200102221
11352a46a6475928
1211578500ab24b9
135202657768270
142192d01649549
15dd4193deb066
hex6d3b3d5e834d

120101200102221 has 16 divisors (see below), whose sum is σ = 172457069097600. Its totient is φ = 73906689193920.

The previous prime is 120101200102189. The next prime is 120101200102237. The reversal of 120101200102221 is 122201002101021.

It is not a de Polignac number, because 120101200102221 - 25 = 120101200102189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120101200102221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120101200102271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34606921 + ... + 37918878.

It is an arithmetic number, because the mean of its divisors is an integer number (10778566818600).

Almost surely, 2120101200102221 is an apocalyptic number.

It is an amenable number.

120101200102221 is a deficient number, since it is larger than the sum of its proper divisors (52355868995379).

120101200102221 is a wasteful number, since it uses less digits than its factorization.

120101200102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72568276.

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

Adding to 120101200102221 its reverse (122201002101021), we get a palindrome (242302202203242).

The spelling of 120101200102221 in words is "one hundred twenty trillion, one hundred one billion, two hundred million, one hundred two thousand, two hundred twenty-one".

Divisors: 1 3 13 39 42461 127383 551993 1655979 72525799 217577397 942835387 2828506161 3079517951339 9238553854017 40033733367407 120101200102221