Search a number
-
+
121421301122 = 21129283672493
BaseRepresentation
bin111000100010101000…
…1100000010110000010
3102121102001121012002202
41301011101200112002
53442132323113442
6131440303513202
711525635013312
oct1610521402602
9377361535082
10121421301122
1147549182750
121b6478b8802
13b5b07b3554
145c3c001442
153259b56c32
hex1c45460582

121421301122 has 32 divisors (see below), whose sum is σ = 206267359680. Its totient is φ = 53099968320.

The previous prime is 121421301107. The next prime is 121421301139. The reversal of 121421301122 is 221103124121.

121421301122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 121421301094 and 121421301103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155693 + ... + 516800.

It is an arithmetic number, because the mean of its divisors is an integer number (6445854990).

Almost surely, 2121421301122 is an apocalyptic number.

121421301122 is a deficient number, since it is larger than the sum of its proper divisors (84846058558).

121421301122 is a wasteful number, since it uses less digits than its factorization.

121421301122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672818.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 121421301122 its reverse (221103124121), we get a palindrome (342524425243).

The spelling of 121421301122 in words is "one hundred twenty-one billion, four hundred twenty-one million, three hundred one thousand, one hundred twenty-two".

Divisors: 1 2 11 22 29 58 283 319 566 638 3113 6226 8207 16414 90277 180554 672493 1344986 7397423 14794846 19502297 39004594 190315519 214525267 380631038 429050534 2093470709 4186941418 5519150051 11038300102 60710650561 121421301122