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110121110121021 = 345006498155943
BaseRepresentation
bin11001000010011110010001…
…101001101010101000111101
3112102220110211111121101100220
4121002132101221222220331
5103413211013142333041
61030112534542011553
732123662523540436
oct3102362151525075
9472813744541326
10110121110121021
11320a71118a26aa
1210426260b76bb9
13495a4b747116c
141d29c6689c48d
15cae781d9cd66
hex642791a6aa3d

110121110121021 has 8 divisors (see below), whose sum is σ = 146828197454400. Its totient is φ = 73414048100832.

The previous prime is 110121110121017. The next prime is 110121110121023. The reversal of 110121110121021 is 120121011121011.

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

It is not a de Polignac number, because 110121110121021 - 22 = 110121110121017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110121110121023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9423976 + ... + 17579918.

It is an arithmetic number, because the mean of its divisors is an integer number (18353524681800).

Almost surely, 2110121110121021 is an apocalyptic number.

It is an amenable number.

110121110121021 is a deficient number, since it is larger than the sum of its proper divisors (36707087333379).

110121110121021 is an equidigital number, since it uses as much as digits as its factorization.

110121110121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12656595.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 110121110121021 its reverse (120121011121011), we get a palindrome (230242121242032).

The spelling of 110121110121021 in words is "one hundred ten trillion, one hundred twenty-one billion, one hundred ten million, one hundred twenty-one thousand, twenty-one".

Divisors: 1 3 4500649 8155943 13501947 24467829 36707036707007 110121110121021