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111010020011 = 11487198710429
BaseRepresentation
bin110011101100010110…
…1100111101010101011
3101121112110221022100122
41213120231213222223
53304322031120021
6122555225553455
711006634413132
oct1473055475253
9347473838318
10111010020011
11430962980a0
121962104588b
13a611834a97
1455313bc919
152d4ab07bab
hex19d8b67aab

111010020011 has 16 divisors (see below), whose sum is σ = 121423223040. Its totient is φ = 100650638880.

The previous prime is 111010020001. The next prime is 111010020019. The reversal of 111010020011 is 110020010111.

It is a happy number.

It is not a de Polignac number, because 111010020011 - 26 = 111010019947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111010020019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10639145 + ... + 10649573.

It is an arithmetic number, because the mean of its divisors is an integer number (7588951440).

Almost surely, 2111010020011 is an apocalyptic number.

111010020011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111010020011 is a deficient number, since it is larger than the sum of its proper divisors (10413203029).

111010020011 is a wasteful number, since it uses less digits than its factorization.

111010020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12914.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 111010020011 its reverse (110020010111), we get a palindrome (221030030122).

The spelling of 111010020011 in words is "one hundred eleven billion, ten million, twenty thousand, eleven".

Divisors: 1 11 487 1987 5357 10429 21857 114719 967669 5078923 10644359 20722423 55868153 227946653 10091820001 111010020011