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1020112221047 is a prime number
BaseRepresentation
bin11101101100000110110…
…11010011001101110111
310121112002101010010001212
432312003123103031313
5113203142212033142
62100344425112035
7133462221545003
oct16660333231567
93545071103055
101020112221047
11363699833287
1214585562861b
1375271ca575a
14375335c1703
151b80729cd82
hexed836d3377

1020112221047 has 2 divisors, whose sum is σ = 1020112221048. Its totient is φ = 1020112221046.

The previous prime is 1020112221017. The next prime is 1020112221059. The reversal of 1020112221047 is 7401222110201.

It is a strong prime.

It is an emirp because it is prime and its reverse (7401222110201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1020112221047 - 214 = 1020112204663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020112221017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510056110523 + 510056110524.

It is an arithmetic number, because the mean of its divisors is an integer number (510056110524).

Almost surely, 21020112221047 is an apocalyptic number.

1020112221047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020112221047 is an equidigital number, since it uses as much as digits as its factorization.

1020112221047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 1020112221047 its reverse (7401222110201), we get a palindrome (8421334331248).

The spelling of 1020112221047 in words is "one trillion, twenty billion, one hundred twelve million, two hundred twenty-one thousand, forty-seven".