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212221120110211 = 10191129184467761
BaseRepresentation
bin110000010000001110010100…
…011110100101111010000011
31000211102010210202012121110101
4300100032110132211322003
5210304012323222011321
62031205011530543231
762462320123262422
oct6020162436457203
91024363722177411
10212221120110211
1161690520788793
121b975a5b897b17
13915549a747864
143a597b26612b9
1519805596a9791
hexc103947a5e83

212221120110211 has 8 divisors (see below), whose sum is σ = 212617542481200. Its totient is φ = 211825066679040.

The previous prime is 212221120110187. The next prime is 212221120110247. The reversal of 212221120110211 is 112011021122212.

It is a happy number.

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 212221120110211 - 29 = 212221120109699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212221120110611) 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, 91083430 + ... + 93384331.

It is an arithmetic number, because the mean of its divisors is an integer number (26577192810150).

Almost surely, 2212221120110211 is an apocalyptic number.

212221120110211 is a deficient number, since it is larger than the sum of its proper divisors (396422370989).

212221120110211 is a wasteful number, since it uses less digits than its factorization.

212221120110211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184469909.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 212221120110211 its reverse (112011021122212), we get a palindrome (324232141232423).

The spelling of 212221120110211 in words is "two hundred twelve trillion, two hundred twenty-one billion, one hundred twenty million, one hundred ten thousand, two hundred eleven".

Divisors: 1 1019 1129 1150451 184467761 187972648459 208264102169 212221120110211