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211111322113 = 7118443161221
BaseRepresentation
bin1100010010011100110…
…1110010001000000001
3202011220201012022222001
43010213031302020001
511424323444301423
6240552212144001
721152351426056
oct3044715621001
9664821168861
10211111322113
1181593923a3a
1234ab8908001
1316ba53228a3
14a309a8d02d
155758ba2cad
hex3127372201

211111322113 has 8 divisors (see below), whose sum is σ = 214097656896. Its totient is φ = 208125346800.

The previous prime is 211111322111. The next prime is 211111322141. The reversal of 211111322113 is 311223111112.

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 211111322113 - 21 = 211111322111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211111322111) 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, 1228843 + ... + 1390063.

It is an arithmetic number, because the mean of its divisors is an integer number (26762207112).

Almost surely, 2211111322113 is an apocalyptic number.

It is an amenable number.

211111322113 is a deficient number, since it is larger than the sum of its proper divisors (2986334783).

211111322113 is a wasteful number, since it uses less digits than its factorization.

211111322113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179735.

The product of its digits is 72, while the sum is 19.

Adding to 211111322113 its reverse (311223111112), we get a palindrome (522334433225).

The spelling of 211111322113 in words is "two hundred eleven billion, one hundred eleven million, three hundred twenty-two thousand, one hundred thirteen".

Divisors: 1 71 18443 161221 1309453 11446691 2973398903 211111322113