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121220111221883 is a prime number
BaseRepresentation
bin11011100011111111000001…
…101010110100010001111011
3120220012112021222022001220122
4123203333001222310101323
5111342032241433100013
61105451430022443455
734350602234355152
oct3343770152642173
9526175258261818
10121220111221883
1135696184645a33
1211719329b9358b
13528401346186b
1421d1128552599
15e0332ec2ba08
hex6e3fc1ab447b

121220111221883 has 2 divisors, whose sum is σ = 121220111221884. Its totient is φ = 121220111221882.

The previous prime is 121220111221831. The next prime is 121220111221967. The reversal of 121220111221883 is 388122111022121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121220111221883 - 236 = 121151391745147 is a prime.

It is not a weakly prime, because it can be changed into another prime (121220111221813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60610055610941 + 60610055610942.

It is an arithmetic number, because the mean of its divisors is an integer number (60610055610942).

Almost surely, 2121220111221883 is an apocalyptic number.

121220111221883 is a deficient number, since it is larger than the sum of its proper divisors (1).

121220111221883 is an equidigital number, since it uses as much as digits as its factorization.

121220111221883 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 35.

The spelling of 121220111221883 in words is "one hundred twenty-one trillion, two hundred twenty billion, one hundred eleven million, two hundred twenty-one thousand, eight hundred eighty-three".