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121330203003021 = 361663006573787
BaseRepresentation
bin11011100101100101100011…
…101001101000100010001101
3120220121001110110102000100010
4123211211203221220202031
5111400333223432044041
61110014154211423433
734361550352150125
oct3345454351504215
9526531413360303
10121330203003021
1135728939583621
12117367335b4b79
13529150998531c
1421d65ad9c7c85
15e06124e03a16
hex6e5963a6888d

121330203003021 has 8 divisors (see below), whose sum is σ = 164425630299424. Its totient is φ = 79560788854320.

The previous prime is 121330203002999. The next prime is 121330203003067. The reversal of 121330203003021 is 120300302033121.

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

It is not a de Polignac number, because 121330203003021 - 211 = 121330203000973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121330203007021) 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, 331503286711 + ... + 331503287076.

It is an arithmetic number, because the mean of its divisors is an integer number (20553203787428).

Almost surely, 2121330203003021 is an apocalyptic number.

It is an amenable number.

121330203003021 is a deficient number, since it is larger than the sum of its proper divisors (43095427296403).

121330203003021 is an equidigital number, since it uses as much as digits as its factorization.

121330203003021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663006573851.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 121330203003021 its reverse (120300302033121), we get a palindrome (241630505036142).

The spelling of 121330203003021 in words is "one hundred twenty-one trillion, three hundred thirty billion, two hundred three million, three thousand, twenty-one".

Divisors: 1 3 61 183 663006573787 1989019721361 40443401001007 121330203003021