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122111110103 is a prime number
BaseRepresentation
bin111000110111001100…
…0111010101111010111
3102200012010121010010112
41301232120322233113
54000040421010403
6132032544513235
711552012211233
oct1615630725727
9380163533115
10122111110103
11478725a1414
121b7ba91b81b
13b690695148
145ca58855c3
15329a4b49d8
hex1c6e63abd7

122111110103 has 2 divisors, whose sum is σ = 122111110104. Its totient is φ = 122111110102.

The previous prime is 122111110087. The next prime is 122111110129. The reversal of 122111110103 is 301011111221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122111110103 - 24 = 122111110087 is a prime.

It is a super-2 number, since 2×1221111101032 (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 (122111110703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61055555051 + 61055555052.

It is an arithmetic number, because the mean of its divisors is an integer number (61055555052).

Almost surely, 2122111110103 is an apocalyptic number.

122111110103 is a deficient number, since it is larger than the sum of its proper divisors (1).

122111110103 is an equidigital number, since it uses as much as digits as its factorization.

122111110103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 122111110103 its reverse (301011111221), we get a palindrome (423122221324).

The spelling of 122111110103 in words is "one hundred twenty-two billion, one hundred eleven million, one hundred ten thousand, one hundred three".