Search a number
-
+
2122311001201 = 3198166361621
BaseRepresentation
bin11110111000100011100…
…101111110010001110001
321111220001111120111010121
4132320203211332101301
5234232443104014301
64302550510130241
7306221562601216
oct36704345762161
97456044514117
102122311001201
11749081260356
122a33997b0981
13125196476071
1474a12ac9b0d
153a315cc93a1
hex1ee2397e471

2122311001201 has 4 divisors (see below), whose sum is σ = 2122377394804. Its totient is φ = 2122244607600.

The previous prime is 2122311001189. The next prime is 2122311001219. The reversal of 2122311001201 is 1021001132212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68893650576 + 2053417350625 = 262476^2 + 1432975^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122311001201 - 223 = 2122302612593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122311031201) 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 3 ways as a sum of consecutive naturals, for example, 33148830 + ... + 33212791.

It is an arithmetic number, because the mean of its divisors is an integer number (530594348701).

Almost surely, 22122311001201 is an apocalyptic number.

It is an amenable number.

2122311001201 is a deficient number, since it is larger than the sum of its proper divisors (66393603).

2122311001201 is an equidigital number, since it uses as much as digits as its factorization.

2122311001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66393602.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2122311001201 its reverse (1021001132212), we get a palindrome (3143312133413).

The spelling of 2122311001201 in words is "two trillion, one hundred twenty-two billion, three hundred eleven million, one thousand, two hundred one".

Divisors: 1 31981 66361621 2122311001201