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201110200211951 is a prime number
BaseRepresentation
bin101101101110100010011110…
…000010110101100111101111
3222101001221120122012021120222
4231232202132002311213233
5202324442142223240301
61551420430041001555
760234506145363362
oct5556423602654757
9871057518167528
10201110200211951
11590973a20a6578
121a6806071832bb
13882a7c2384214
143793adda8a0d9
15183b51029a31b
hexb6e89e0b59ef

201110200211951 has 2 divisors, whose sum is σ = 201110200211952. Its totient is φ = 201110200211950.

The previous prime is 201110200211933. The next prime is 201110200211953. The reversal of 201110200211951 is 159112002011102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-201110200211951 is a prime.

It is a Sophie Germain prime.

Together with 201110200211953, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201110200211951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201110200211953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100555100105975 + 100555100105976.

It is an arithmetic number, because the mean of its divisors is an integer number (100555100105976).

Almost surely, 2201110200211951 is an apocalyptic number.

201110200211951 is a deficient number, since it is larger than the sum of its proper divisors (1).

201110200211951 is an equidigital number, since it uses as much as digits as its factorization.

201110200211951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 26.

The spelling of 201110200211951 in words is "two hundred one trillion, one hundred ten billion, two hundred million, two hundred eleven thousand, nine hundred fifty-one".