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121220110210301 = 1737192718776169
BaseRepresentation
bin11011100011111111000001…
…100110111101010011111101
3120220012112021220101200021122
4123203333001212331103331
5111342032241203212201
61105451425545040325
734350602222643014
oct3343770146752375
9526175256350248
10121220110210301
1135696184014a13
12117193297860a5
1352840131992ab
1421d112836ba7b
15e0332eacbe1b
hex6e3fc19bd4fd

121220110210301 has 8 divisors (see below), whose sum is σ = 131819642900280. Its totient is φ = 111006015072768.

The previous prime is 121220110210289. The next prime is 121220110210319. The reversal of 121220110210301 is 103012011022121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 29313280102276 + 91906830108025 = 5414174^2 + 9586805^2 .

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 121220110210301 - 242 = 116822063699197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121220110210301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121220110210321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96359387456 + ... + 96359388713.

It is an arithmetic number, because the mean of its divisors is an integer number (16477455362535).

Almost surely, 2121220110210301 is an apocalyptic number.

It is an amenable number.

121220110210301 is a deficient number, since it is larger than the sum of its proper divisors (10599532689979).

121220110210301 is a wasteful number, since it uses less digits than its factorization.

121220110210301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192718776223.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 121220110210301 its reverse (103012011022121), we get a palindrome (224232121232422).

The spelling of 121220110210301 in words is "one hundred twenty-one trillion, two hundred twenty billion, one hundred ten million, two hundred ten thousand, three hundred one".

Divisors: 1 17 37 629 192718776169 3276219194873 7130594718253 121220110210301