Search a number
-
+
120120121101 = 31991210716619
BaseRepresentation
bin110111111011110110…
…1111001011100001101
3102111001101012101200010
41233313231321130031
53432001222333401
6131103223023433
711451455116461
oct1576755713415
9374041171603
10120120121101
1146a40749962
121b343b9ab79
13b434054446
145b572944a1
1531d07d1ed6
hex1bf7b7970d

120120121101 has 16 divisors (see below), whose sum is σ = 160987968000. Its totient is φ = 79666293168.

The previous prime is 120120121049. The next prime is 120120121123. The reversal of 120120121101 is 101121021021.

It is not a de Polignac number, because 120120121101 - 226 = 120053012237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120120121201) 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, 7219570 + ... + 7236188.

It is an arithmetic number, because the mean of its divisors is an integer number (10061748000).

Almost surely, 2120120121101 is an apocalyptic number.

It is an amenable number.

120120121101 is a deficient number, since it is larger than the sum of its proper divisors (40867846899).

120120121101 is a wasteful number, since it uses less digits than its factorization.

120120121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28928.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120120121101 its reverse (101121021021), we get a palindrome (221241142122).

The spelling of 120120121101 in words is "one hundred twenty billion, one hundred twenty million, one hundred twenty-one thousand, one hundred one".

Divisors: 1 3 199 597 12107 16619 36321 49857 2409293 3307181 7227879 9921543 201206233 603618699 40040040367 120120121101