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121010011101101 = 792935479557389
BaseRepresentation
bin11011100000111011010110…
…101110011101011110101101
3120212110102222201212002101202
4123200323112232131132231
5111330112000320213401
61105211122012015245
734326453611661653
oct3340732656353655
9525412881762352
10121010011101101
113561506a5a6581
12116a4673a61525
13526a26c79b775
1421c4cb6cc8dd3
15decb34c1e06b
hex6e0ed6b9d7ad

121010011101101 has 16 divisors (see below), whose sum is σ = 123184817414400. Its totient is φ = 118852771722048.

The previous prime is 121010011101073. The next prime is 121010011101149. The reversal of 121010011101101 is 101101110010121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121010011101101 - 214 = 121010011084717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121010011101151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7882715 + ... + 17440103.

It is an arithmetic number, because the mean of its divisors is an integer number (7699051088400).

Almost surely, 2121010011101101 is an apocalyptic number.

It is an amenable number.

121010011101101 is a deficient number, since it is larger than the sum of its proper divisors (2174806313299).

121010011101101 is an equidigital number, since it uses as much as digits as its factorization.

121010011101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9558308.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 121010011101101 its reverse (101101110010121), we get a palindrome (222111121111222).

The spelling of 121010011101101 in words is "one hundred twenty-one trillion, ten billion, eleven million, one hundred one thousand, one hundred one".

Divisors: 1 79 293 547 23147 43213 160271 9557389 12661409 755033731 2800314977 5227891783 221224883183 413003450857 1531772292419 121010011101101