Search a number
-
+
121120201120 = 255757001257
BaseRepresentation
bin111000011001101010…
…0111001100110100000
3102120122002000201112211
41300303110321212200
53441023232413440
6131350350131504
711515320502612
oct1606324714640
9376562021484
10121120201120
1147404217876
121b582ab0b94
13b5632bbb79
145c10022db2
15323d4cbeea
hex1c335399a0

121120201120 has 24 divisors (see below), whose sum is σ = 286146475524. Its totient is φ = 48448080384.

The previous prime is 121120201063. The next prime is 121120201129. The reversal of 121120201120 is 21102021121.

121120201120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 104636722576 + 16483478544 = 323476^2 + 128388^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121120201120.

It is not an unprimeable number, because it can be changed into a prime (121120201129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378500469 + ... + 378500788.

Almost surely, 2121120201120 is an apocalyptic number.

121120201120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121120201120 is an abundant number, since it is smaller than the sum of its proper divisors (165026274404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121120201120 is an equidigital number, since it uses as much as digits as its factorization.

121120201120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757001272 (or 757001264 counting only the distinct ones).

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

Adding to 121120201120 its reverse (21102021121), we get a palindrome (142222222241).

The spelling of 121120201120 in words is "one hundred twenty-one billion, one hundred twenty million, two hundred one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 757001257 1514002514 3028005028 3785006285 6056010056 7570012570 12112020112 15140025140 24224040224 30280050280 60560100560 121120201120