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121023231271 is a prime number
BaseRepresentation
bin111000010110110001…
…0111111010100100111
3102120101022120010220221
41300231202333110213
53440323421400041
6131333003505211
711513032330645
oct1605542772447
9376338503827
10121023231271
11473645059a8
121b556528207
13b549199667
145c011c0195
153234c252d1
hex1c2d8bf527

121023231271 has 2 divisors, whose sum is σ = 121023231272. Its totient is φ = 121023231270.

The previous prime is 121023231257. The next prime is 121023231347. The reversal of 121023231271 is 172132320121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121023231271 - 25 = 121023231239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121023231211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60511615635 + 60511615636.

It is an arithmetic number, because the mean of its divisors is an integer number (60511615636).

Almost surely, 2121023231271 is an apocalyptic number.

121023231271 is a deficient number, since it is larger than the sum of its proper divisors (1).

121023231271 is an equidigital number, since it uses as much as digits as its factorization.

121023231271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 121023231271 its reverse (172132320121), we get a palindrome (293155551392).

The spelling of 121023231271 in words is "one hundred twenty-one billion, twenty-three million, two hundred thirty-one thousand, two hundred seventy-one".