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120333020021 is a prime number
BaseRepresentation
bin111000000010001101…
…0000010101101110101
3102111121012210210002022
41300010122002231311
53432420223120041
6131140310122525
711456651536154
oct1600432025565
9374535723068
10120333020021
114703a941a85
121b3a3350445
13b4691a6936
145b7767359b
1531e433824b
hex1c04682b75

120333020021 has 2 divisors, whose sum is σ = 120333020022. Its totient is φ = 120333020020.

The previous prime is 120333020011. The next prime is 120333020023. The reversal of 120333020021 is 120020333021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95734548100 + 24598471921 = 309410^2 + 156839^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120333020021 is a prime.

Together with 120333020023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120333020023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60166510010 + 60166510011.

It is an arithmetic number, because the mean of its divisors is an integer number (60166510011).

Almost surely, 2120333020021 is an apocalyptic number.

It is an amenable number.

120333020021 is a deficient number, since it is larger than the sum of its proper divisors (1).

120333020021 is an equidigital number, since it uses as much as digits as its factorization.

120333020021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 120333020021 its reverse (120020333021), we get a palindrome (240353353042).

The spelling of 120333020021 in words is "one hundred twenty billion, three hundred thirty-three million, twenty thousand, twenty-one".