Search a number
-
+
120101211020201 = 232415537425009
BaseRepresentation
bin11011010011101100111110…
…000001010001101110101001
3120202020120012220011120121012
4123103230332001101232221
5111220214240010121301
61103233422404153305
734204011653516615
oct3323547601215651
9522216186146535
10120101211020201
11352a4701652754
1211578504698835
135202659abb8c8
142192d02c8c345
15dd4194d55ebb
hex6d3b3e051ba9

120101211020201 has 12 divisors (see below), whose sum is σ = 128612233282260. Its totient is φ = 112077482161920.

The previous prime is 120101211020179. The next prime is 120101211020239. The reversal of 120101211020201 is 102020112101021.

It can be written as a sum of positive squares in 2 ways, for example, as 62252652301225 + 57848558718976 = 7890035^2 + 7605824^2 .

It is not a de Polignac number, because 120101211020201 - 230 = 120100137278377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120101211020281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2768690816 + ... + 2768734193.

It is an arithmetic number, because the mean of its divisors is an integer number (10717686106855).

Almost surely, 2120101211020201 is an apocalyptic number.

It is an amenable number.

120101211020201 is a deficient number, since it is larger than the sum of its proper divisors (8511022262059).

120101211020201 is an equidigital number, since it uses as much as digits as its factorization.

120101211020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5537425096 (or 5537425073 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 120101211020201 its reverse (102020112101021), we get a palindrome (222121323121222).

The spelling of 120101211020201 in words is "one hundred twenty trillion, one hundred one billion, two hundred eleven million, twenty thousand, two hundred one".

Divisors: 1 23 41 529 943 21689 5537425009 127360775207 227034425369 2929297829761 5221791783487 120101211020201