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111020010911 = 1953110248273
BaseRepresentation
bin110011101100101001…
…1101110110110011111
3101121120011201220021222
41213121103232312133
53304332110322121
6123000224043555
711010115344125
oct1473123566637
9347504656258
10111020010911
11430a09a1437
12196244635bb
13a613922464
14553285d915
152d4b92d0ab
hex19d94eed9f

111020010911 has 8 divisors (see below), whose sum is σ = 119068135920. Its totient is φ = 103192382592.

The previous prime is 111020010901. The next prime is 111020010923. The reversal of 111020010911 is 119010020111.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-111020010911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111020010911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111020010901) 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, 55123130 + ... + 55125143.

It is an arithmetic number, because the mean of its divisors is an integer number (14883516990).

Almost surely, 2111020010911 is an apocalyptic number.

111020010911 is a deficient number, since it is larger than the sum of its proper divisors (8048125009).

111020010911 is a wasteful number, since it uses less digits than its factorization.

111020010911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110248345.

The product of its (nonzero) digits is 18, while the sum is 17.

The spelling of 111020010911 in words is "one hundred eleven billion, twenty million, ten thousand, nine hundred eleven".

Divisors: 1 19 53 1007 110248273 2094717187 5843158469 111020010911