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1102211111 is a prime number
BaseRepresentation
bin100000110110010…
…0110100000100111
32211211000010101202
41001230212200213
54224131223421
6301212113115
736212432321
oct10154464047
92754003352
101102211111
11516195581
1226916579b
13147476231
14a6556611
1566b7110b
hex41b26827

1102211111 has 2 divisors, whose sum is σ = 1102211112. Its totient is φ = 1102211110.

The previous prime is 1102211101. The next prime is 1102211119. The reversal of 1102211111 is 1111122011.

It is a strong prime.

It is an emirp because it is prime and its reverse (1111122011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1102211111 - 214 = 1102194727 is a prime.

1102211111 is a modest number, since divided by 11111 gives 11022 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1102211092 and 1102211101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102211119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551105555 + 551105556.

It is an arithmetic number, because the mean of its divisors is an integer number (551105556).

Almost surely, 21102211111 is an apocalyptic number.

1102211111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102211111 is an equidigital number, since it uses as much as digits as its factorization.

1102211111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 11.

The square root of 1102211111 is about 33199.5649218480. The cubic root of 1102211111 is about 1032.9713149356.

Adding to 1102211111 its reverse (1111122011), we get a palindrome (2213333122).

The spelling of 1102211111 in words is "one billion, one hundred two million, two hundred eleven thousand, one hundred eleven".