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102112223 is a prime number
BaseRepresentation
bin1100001011000…
…01101111011111
321010010211122012
412011201233133
5202120042343
614044341435
72346640163
oct605415737
9233124565
10102112223
1152704474
122a24487b
1318203045
14d7c0ca3
158e70718
hex6161bdf

102112223 has 2 divisors, whose sum is σ = 102112224. Its totient is φ = 102112222.

The previous prime is 102112211. The next prime is 102112237. The reversal of 102112223 is 322211201.

It is a happy number.

It is an a-pointer prime, because the next prime (102112237) can be obtained adding 102112223 to its sum of digits (14).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102112223 - 24 = 102112207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102112198 and 102112207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102112253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51056111 + 51056112.

It is an arithmetic number, because the mean of its divisors is an integer number (51056112).

Almost surely, 2102112223 is an apocalyptic number.

102112223 is a deficient number, since it is larger than the sum of its proper divisors (1).

102112223 is an equidigital number, since it uses as much as digits as its factorization.

102112223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 102112223 is about 10105.0592774115. The cubic root of 102112223 is about 467.4041638701.

Adding to 102112223 its reverse (322211201), we get a palindrome (424323424).

The spelling of 102112223 in words is "one hundred two million, one hundred twelve thousand, two hundred twenty-three".