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120111201111169 is a prime number
BaseRepresentation
bin11011010011110110010001…
…011110011100110010000001
3120202021112000010021210002101
4123103312101132130302001
5111220400214441024134
61103242153554350401
734204514351061352
oct3323662136346201
9522245003253071
10120111201111169
11352a8968809984
121157a43228b401
13520358c719a38
1421935ad991d29
15dd457be07e14
hex6d3d9179cc81

120111201111169 has 2 divisors, whose sum is σ = 120111201111170. Its totient is φ = 120111201111168.

The previous prime is 120111201111107. The next prime is 120111201111173. The reversal of 120111201111169 is 961111102111021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113263061670144 + 6848139441025 = 10642512^2 + 2616895^2 .

It is a cyclic number.

It is not a de Polignac number, because 120111201111169 - 217 = 120111200980097 is a prime.

It is a super-2 number, since 2×1201112011111692 (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120111201111569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60055600555584 + 60055600555585.

It is an arithmetic number, because the mean of its divisors is an integer number (60055600555585).

Almost surely, 2120111201111169 is an apocalyptic number.

It is an amenable number.

120111201111169 is a deficient number, since it is larger than the sum of its proper divisors (1).

120111201111169 is an equidigital number, since it uses as much as digits as its factorization.

120111201111169 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 28.

The spelling of 120111201111169 in words is "one hundred twenty trillion, one hundred eleven billion, two hundred one million, one hundred eleven thousand, one hundred sixty-nine".