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162122111111 is a prime number
BaseRepresentation
bin1001011011111100111…
…0110001100010000111
3120111110120100120011202
42112333032301202013
510124011230023421
6202251115253115
714466352131032
oct2267716614207
9514416316152
10162122111111
11628347836a4
122750644a19b
1312398ac9a7c
147bbd6b8019
15433ce2110b
hex25bf3b1887

162122111111 has 2 divisors, whose sum is σ = 162122111112. Its totient is φ = 162122111110.

The previous prime is 162122111083. The next prime is 162122111159. The reversal of 162122111111 is 111111221261.

It is a m-pointer prime, because the next prime (162122111159) can be obtained adding 162122111111 to its product of digits (48).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 162122111111 - 214 = 162122094727 is a prime.

It is a super-2 number, since 2×1621221111112 (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 (162122111161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81061055555 + 81061055556.

It is an arithmetic number, because the mean of its divisors is an integer number (81061055556).

Almost surely, 2162122111111 is an apocalyptic number.

162122111111 is a deficient number, since it is larger than the sum of its proper divisors (1).

162122111111 is an equidigital number, since it uses as much as digits as its factorization.

162122111111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48, while the sum is 20.

Adding to 162122111111 its reverse (111111221261), we get a palindrome (273233332372).

The spelling of 162122111111 in words is "one hundred sixty-two billion, one hundred twenty-two million, one hundred eleven thousand, one hundred eleven".