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10101110111111 = 191849328748033
BaseRepresentation
bin1001001011111101100100…
…0101000111101110000111
31022202122201201202002020102
42102333121011013232013
52310444033142023421
633252215205354315
72061531632200325
oct222773105075607
938678651662212
1010101110111111
113244947360018
1211717b540899b
135836b8948c36
1426cc797a0d15
15127b4685e60b
hex92fd9147b87

10101110111111 has 8 divisors (see below), whose sum is σ = 10633322815920. Its totient is φ = 9568954939392.

The previous prime is 10101110111107. The next prime is 10101110111173. The reversal of 10101110111111 is 11111101110101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10101110111111 - 22 = 10101110111107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10101110111092 and 10101110111101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101110111101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14022650 + ... + 14725383.

It is an arithmetic number, because the mean of its divisors is an integer number (1329165351990).

Almost surely, 210101110111111 is an apocalyptic number.

10101110111111 is a deficient number, since it is larger than the sum of its proper divisors (532212704809).

10101110111111 is a wasteful number, since it uses less digits than its factorization.

10101110111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28766545.

The product of its (nonzero) digits is 1, while the sum is 11.

Adding to 10101110111111 its reverse (11111101110101), we get a palindrome (21212211221212).

The spelling of 10101110111111 in words is "ten trillion, one hundred one billion, one hundred ten million, one hundred eleven thousand, one hundred eleven".

Divisors: 1 19 18493 351367 28748033 546212627 531637374269 10101110111111