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120202221313321 = 717171745901903
BaseRepresentation
bin11011010101001011000010…
…101100111101110100101001
3120202121012221110212010110121
4123111023002230331310221
5111223343122124011241
61103352045501243241
734214216046036250
oct3325130254756451
9522535843763417
10120202221313321
11353335262a1a44
1211593bb4863521
13520c036a00614
142197b66179797
15dd6b07b06ad1
hex6d52c2b3dd29

120202221313321 has 4 divisors (see below), whose sum is σ = 137373967215232. Its totient is φ = 103030475411412.

The previous prime is 120202221313253. The next prime is 120202221313331. The reversal of 120202221313321 is 123313122202021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120202221313321 - 221 = 120202219216169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120202221313331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8585872950945 + ... + 8585872950958.

It is an arithmetic number, because the mean of its divisors is an integer number (34343491803808).

Almost surely, 2120202221313321 is an apocalyptic number.

It is an amenable number.

120202221313321 is a deficient number, since it is larger than the sum of its proper divisors (17171745901911).

120202221313321 is an equidigital number, since it uses as much as digits as its factorization.

120202221313321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17171745901910.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 120202221313321 its reverse (123313122202021), we get a palindrome (243515343515342).

The spelling of 120202221313321 in words is "one hundred twenty trillion, two hundred two billion, two hundred twenty-one million, three hundred thirteen thousand, three hundred twenty-one".

Divisors: 1 7 17171745901903 120202221313321