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2111011110071 is a prime number
BaseRepresentation
bin11110101110000010000…
…100010011110010110111
321110210212222211112121022
4132232002010103302313
5234041322321010241
64253441330211355
7305341552241213
oct36560204236267
97423788745538
102111011110071
11744302812956
122a1165423b5b
131240b538b356
1474260073943
1539da3c4d54b
hex1eb82113cb7

2111011110071 has 2 divisors, whose sum is σ = 2111011110072. Its totient is φ = 2111011110070.

The previous prime is 2111011110053. The next prime is 2111011110113. The reversal of 2111011110071 is 1700111101112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2111011110071 - 210 = 2111011109047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111011110671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055505555035 + 1055505555036.

It is an arithmetic number, because the mean of its divisors is an integer number (1055505555036).

Almost surely, 22111011110071 is an apocalyptic number.

2111011110071 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111011110071 is an equidigital number, since it uses as much as digits as its factorization.

2111011110071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14, while the sum is 17.

Adding to 2111011110071 its reverse (1700111101112), we get a palindrome (3811122211183).

The spelling of 2111011110071 in words is "two trillion, one hundred eleven billion, eleven million, one hundred ten thousand, seventy-one".