Search a number
-
+
120221210223121 = 784559203106217
BaseRepresentation
bin11011010101011100101110…
…100001111010001000010001
3120202200000221211211200201011
4123111130232201322020101
5111224201014304114441
61103404510031410521
734215460443102310
oct3325345641721021
9522600854750634
10120221210223121
1135340590012a27
1211597814083a41
135210a71a87217
142198a48068277
15dd7369c00581
hex6d572e87a211

120221210223121 has 8 divisors (see below), whose sum is σ = 137397294352640. Its totient is φ = 103045532475168.

The previous prime is 120221210223071. The next prime is 120221210223139. The reversal of 120221210223121 is 121322012122021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120221210223121 - 233 = 120212620288529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120221210223092 and 120221210223101.

It is not an unprimeable number, because it can be changed into a prime (120221210223181) 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 7 ways as a sum of consecutive naturals, for example, 100961196 + ... + 102145021.

It is an arithmetic number, because the mean of its divisors is an integer number (17174661794080).

Almost surely, 2120221210223121 is an apocalyptic number.

It is an amenable number.

120221210223121 is a deficient number, since it is larger than the sum of its proper divisors (17176084129519).

120221210223121 is an equidigital number, since it uses as much as digits as its factorization.

120221210223121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203190783.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 120221210223121 its reverse (121322012122021), we get a palindrome (241543222345142).

The spelling of 120221210223121 in words is "one hundred twenty trillion, two hundred twenty-one billion, two hundred ten million, two hundred twenty-three thousand, one hundred twenty-one".

Divisors: 1 7 84559 591913 203106217 1421743519 17174458603303 120221210223121