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120111331321 = 798627176237
BaseRepresentation
bin110111111011100110…
…0010111011111111001
3102111000202122211100201
41233313030113133321
53431442000100241
6131102310402201
711451320320342
oct1576714273771
9374022584321
10120111331321
1146a36795a83
121b341060361
13b4322976a7
145b560470c9
1531ceb47931
hex1bf73177f9

120111331321 has 8 divisors (see below), whose sum is σ = 121646517120. Its totient is φ = 118576515408.

The previous prime is 120111331313. The next prime is 120111331381. The reversal of 120111331321 is 123133111021.

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 120111331321 - 23 = 120111331313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120111331381) 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, 593415 + ... + 769651.

It is an arithmetic number, because the mean of its divisors is an integer number (15205814640).

Almost surely, 2120111331321 is an apocalyptic number.

It is an amenable number.

120111331321 is a deficient number, since it is larger than the sum of its proper divisors (1535185799).

120111331321 is an equidigital number, since it uses as much as digits as its factorization.

120111331321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184943.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 120111331321 its reverse (123133111021), we get a palindrome (243244442342).

The spelling of 120111331321 in words is "one hundred twenty billion, one hundred eleven million, three hundred thirty-one thousand, three hundred twenty-one".

Divisors: 1 79 8627 176237 681533 13922723 1520396599 120111331321