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2120220122131 is a prime number
BaseRepresentation
bin11110110110100110111…
…101111001110000010011
321111200122210012211021001
4132312212331321300103
5234214202322402011
64302003215242431
7306116013452656
oct36664675716023
97450583184231
102120220122131
117481a8a91a21
122a2ab5519417
13124c2222c907
147489513589d
153a2424647c1
hex1eda6f79c13

2120220122131 has 2 divisors, whose sum is σ = 2120220122132. Its totient is φ = 2120220122130.

The previous prime is 2120220122113. The next prime is 2120220122171. The reversal of 2120220122131 is 1312210220212.

Together with previous prime (2120220122113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2120220122131 - 25 = 2120220122099 is a prime.

It is a super-2 number, since 2×21202201221312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2120220122099 and 2120220122108.

It is not a weakly prime, because it can be changed into another prime (2120220122171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060110061065 + 1060110061066.

It is an arithmetic number, because the mean of its divisors is an integer number (1060110061066).

Almost surely, 22120220122131 is an apocalyptic number.

2120220122131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120220122131 is an equidigital number, since it uses as much as digits as its factorization.

2120220122131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2120220122131 its reverse (1312210220212), we get a palindrome (3432430342343).

The spelling of 2120220122131 in words is "two trillion, one hundred twenty billion, two hundred twenty million, one hundred twenty-two thousand, one hundred thirty-one".