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111210043404121 = 149853698742941
BaseRepresentation
bin11001010010010100011011…
…001000011110111101011001
3112120202120120010200200110221
4121102110123020132331121
5104034031132102412441
61032305104425240041
732265442355661304
oct3122243310367531
9476676503620427
10111210043404121
1132486a07297472
1210581302633021
134a090a656272c
141d66848289b3b
15cccc65ed18d1
hex65251b21ef59

111210043404121 has 8 divisors (see below), whose sum is σ = 111957743781000. Its totient is φ = 110462360684160.

The previous prime is 111210043403993. The next prime is 111210043404133. The reversal of 111210043404121 is 121404340012111.

It can be written as a sum of positive squares in 4 ways, for example, as 2241727617600 + 108968315786521 = 1497240^2 + 10438789^2 .

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 111210043404121 - 27 = 111210043403993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111210043404151) 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, 8348511 + ... + 17091451.

It is an arithmetic number, because the mean of its divisors is an integer number (13994717972625).

Almost surely, 2111210043404121 is an apocalyptic number.

It is an amenable number.

111210043404121 is a deficient number, since it is larger than the sum of its proper divisors (747700376879).

111210043404121 is an equidigital number, since it uses as much as digits as its factorization.

111210043404121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8828459.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 111210043404121 its reverse (121404340012111), we get a palindrome (232614383416232).

The spelling of 111210043404121 in words is "one hundred eleven trillion, two hundred ten billion, forty-three million, four hundred four thousand, one hundred twenty-one".

Divisors: 1 149 85369 8742941 12719981 1302698209 746376130229 111210043404121