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110212010221 = 140839782539
BaseRepresentation
bin110011010100100100…
…1011101000011101101
3101112110212100012201111
41212221021131003231
53301203233311341
6122344121512021
710651104426025
oct1465111350355
9345425305644
10110212010221
1142816896575
1219439942611
13a5153caa41
145497410a85
152d00a25681
hex19a925d0ed

110212010221 has 4 divisors (see below), whose sum is σ = 110212933600. Its totient is φ = 110211086844.

The previous prime is 110212010179. The next prime is 110212010243. The reversal of 110212010221 is 122010212011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 110212010221 - 27 = 110212010093 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 (110212010291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250431 + ... + 532108.

It is an arithmetic number, because the mean of its divisors is an integer number (27553233400).

Almost surely, 2110212010221 is an apocalyptic number.

It is an amenable number.

110212010221 is a deficient number, since it is larger than the sum of its proper divisors (923379).

110212010221 is an equidigital number, since it uses as much as digits as its factorization.

110212010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923378.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 110212010221 its reverse (122010212011), we get a palindrome (232222222232).

The spelling of 110212010221 in words is "one hundred ten billion, two hundred twelve million, ten thousand, two hundred twenty-one".

Divisors: 1 140839 782539 110212010221