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110212021 = 237736199
BaseRepresentation
bin1101001000110…
…11001110110101
321200101100110201
412210123032311
5211203241041
614534120501
72505533563
oct644331665
9250340421
10110212021
1157236a17
1230ab0131
1319aaaa1a
14108cca33
159a20631
hex691b3b5

110212021 has 8 divisors (see below), whose sum is σ = 115171200. Its totient is φ = 105266832.

The previous prime is 110212019. The next prime is 110212049. The reversal of 110212021 is 120212011.

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 110212021 - 21 = 110212019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110211989 and 110212007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110212001) 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, 14680 + ... + 20878.

It is an arithmetic number, because the mean of its divisors is an integer number (14396400).

Almost surely, 2110212021 is an apocalyptic number.

It is an amenable number.

110212021 is a deficient number, since it is larger than the sum of its proper divisors (4959179).

110212021 is an equidigital number, since it uses as much as digits as its factorization.

110212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6995.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 110212021 is about 10498.1913204132. The cubic root of 110212021 is about 479.4496310505.

Subtracting from 110212021 its sum of digits (10), we obtain a palindrome (110212011).

Adding to 110212021 its reverse (120212011), we get a palindrome (230424032).

The spelling of 110212021 in words is "one hundred ten million, two hundred twelve thousand, twenty-one".

Divisors: 1 23 773 6199 17779 142577 4791827 110212021