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120102111197 is a prime number
BaseRepresentation
bin110111111011010100…
…1001100011111011101
3102111000010022101201122
41233312221030133131
53431432120024242
6131101341020325
711451146046455
oct1576651143735
9374003271648
10120102111197
1146a31568842
121b339b546a5
13b4303b9ab3
145b54b26d65
1531cde25ad2
hex1bf6a4c7dd

120102111197 has 2 divisors, whose sum is σ = 120102111198. Its totient is φ = 120102111196.

The previous prime is 120102111187. The next prime is 120102111221. The reversal of 120102111197 is 791111201021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90975227641 + 29126883556 = 301621^2 + 170666^2 .

It is an emirp because it is prime and its reverse (791111201021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120102111197 - 218 = 120101849053 is a prime.

It is a super-2 number, since 2×1201021111972 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120102111167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60051055598 + 60051055599.

It is an arithmetic number, because the mean of its divisors is an integer number (60051055599).

Almost surely, 2120102111197 is an apocalyptic number.

It is an amenable number.

120102111197 is a deficient number, since it is larger than the sum of its proper divisors (1).

120102111197 is an equidigital number, since it uses as much as digits as its factorization.

120102111197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 26.

The spelling of 120102111197 in words is "one hundred twenty billion, one hundred two million, one hundred eleven thousand, one hundred ninety-seven".