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111113030111 = 1011100129011
BaseRepresentation
bin110011101111011011…
…0100100100111011111
3101121210122202202122112
41213132312210213133
53310024413430421
6123013345504235
711012325113126
oct1473666444737
9347718682575
10111113030111
1143139455106
121964b64207b
13a629c906c5
145540d54abd
152d54ba445b
hex19deda49df

111113030111 has 4 divisors (see below), whose sum is σ = 112213159224. Its totient is φ = 110012901000.

The previous prime is 111113030101. The next prime is 111113030129. The reversal of 111113030111 is 111030311111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111113030111 - 226 = 111045921247 is a prime.

It is a super-2 number, since 2×1111130301112 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111113030101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550064405 + ... + 550064606.

It is an arithmetic number, because the mean of its divisors is an integer number (28053289806).

Almost surely, 2111113030111 is an apocalyptic number.

111113030111 is a deficient number, since it is larger than the sum of its proper divisors (1100129113).

111113030111 is a wasteful number, since it uses less digits than its factorization.

111113030111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100129112.

The product of its (nonzero) digits is 9, while the sum is 14.

Adding to 111113030111 its reverse (111030311111), we get a palindrome (222143341222).

The spelling of 111113030111 in words is "one hundred eleven billion, one hundred thirteen million, thirty thousand, one hundred eleven".

Divisors: 1 101 1100129011 111113030111