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121103123321233 = 703931720385881
BaseRepresentation
bin11011100010010010000100…
…101001011001000110010001
3120212210100022212220221221101
4123202102010221121012101
5111333123144032234413
61105322001250024401
734336261201540414
oct3342220451310621
9525710285827841
10121103123321233
1135650600a65719
12116ba71ab78101
135275c8b307001
1421c95cb281b7b
15e00284409edd
hex6e2484a59191

121103123321233 has 4 divisors (see below), whose sum is σ = 121104843777508. Its totient is φ = 121101402864960.

The previous prime is 121103123321119. The next prime is 121103123321237. The reversal of 121103123321233 is 332123321301121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62313609846609 + 58789513474624 = 7893897^2 + 7667432^2 .

It is a cyclic number.

It is not a de Polignac number, because 121103123321233 - 213 = 121103123313041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121103123321237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 860122548 + ... + 860263333.

It is an arithmetic number, because the mean of its divisors is an integer number (30276210944377).

Almost surely, 2121103123321233 is an apocalyptic number.

It is an amenable number.

121103123321233 is a deficient number, since it is larger than the sum of its proper divisors (1720456275).

121103123321233 is an equidigital number, since it uses as much as digits as its factorization.

121103123321233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720456274.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 121103123321233 its reverse (332123321301121), we get a palindrome (453226444622354).

The spelling of 121103123321233 in words is "one hundred twenty-one trillion, one hundred three billion, one hundred twenty-three million, three hundred twenty-one thousand, two hundred thirty-three".

Divisors: 1 70393 1720385881 121103123321233