Search a number
-
+
121121001097 = 1912301727551
BaseRepresentation
bin111000011001101011…
…1111100111010001001
3102120122010112100220121
41300303113330322021
53441023434013342
6131350415223241
711515330344115
oct1606327747211
9376563470817
10121121001097
1147404713908
121b583217b21
13b56350c025
145c10190745
15323d5d9067
hex1c335fce89

121121001097 has 8 divisors (see below), whose sum is σ = 121764851712. Its totient is φ = 120477252000.

The previous prime is 121121001083. The next prime is 121121001101. The reversal of 121121001097 is 790100121121.

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 121121001097 - 215 = 121120968329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121121001007) 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, 4382472 + ... + 4410022.

It is an arithmetic number, because the mean of its divisors is an integer number (15220606464).

Almost surely, 2121121001097 is an apocalyptic number.

It is an amenable number.

121121001097 is a deficient number, since it is larger than the sum of its proper divisors (643850615).

121121001097 is a wasteful number, since it uses less digits than its factorization.

121121001097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50759.

The product of its (nonzero) digits is 252, while the sum is 25.

The spelling of 121121001097 in words is "one hundred twenty-one billion, one hundred twenty-one million, one thousand, ninety-seven".

Divisors: 1 191 23017 27551 4396247 5262241 634141367 121121001097