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111221111210119 is a prime number
BaseRepresentation
bin11001010010011110101110…
…110100110100000010000111
3112120210122010110201111001121
4121102132232310310002013
5104034221313432210434
61032314134554534411
732266313550532261
oct3122365664640207
9476718113644047
10111221111210119
1132490676827979
1210583491137407
134a0a14b53b071
141d671b816ab31
15ccd1b29b67b4
hex6527aed34087

111221111210119 has 2 divisors, whose sum is σ = 111221111210120. Its totient is φ = 111221111210118.

The previous prime is 111221111210093. The next prime is 111221111210123. The reversal of 111221111210119 is 911012111122111.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (911012111122111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111221111210119 - 223 = 111221102821511 is a prime.

It is a super-4 number, since 4×1112211112101194 (a number of 57 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 111221111210093 and 111221111210102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111221111910119) 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, 55610555605059 + 55610555605060.

It is an arithmetic number, because the mean of its divisors is an integer number (55610555605060).

Almost surely, 2111221111210119 is an apocalyptic number.

111221111210119 is a deficient number, since it is larger than the sum of its proper divisors (1).

111221111210119 is an equidigital number, since it uses as much as digits as its factorization.

111221111210119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 25.

The spelling of 111221111210119 in words is "one hundred eleven trillion, two hundred twenty-one billion, one hundred eleven million, two hundred ten thousand, one hundred nineteen".