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212011002211 = 296971408219
BaseRepresentation
bin1100010101110011010…
…1110010100101100011
3202021020102002211001011
43011130311302211203
511433144304032321
6241221351321351
721213554533111
oct3053465624543
9667212084034
10212011002211
1181a05757a08
123510a080257
1316cb9836788
14a393364ab1
1557acb69ae1
hex315cd72963

212011002211 has 4 divisors (see below), whose sum is σ = 212082413400. Its totient is φ = 211939591024.

The previous prime is 212011002187. The next prime is 212011002223. The reversal of 212011002211 is 112200110212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212011002211 - 229 = 211474131299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212011002191 and 212011002200.

It is not an unprimeable number, because it can be changed into a prime (212011002241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35701141 + ... + 35707078.

It is an arithmetic number, because the mean of its divisors is an integer number (53020603350).

Almost surely, 2212011002211 is an apocalyptic number.

212011002211 is a deficient number, since it is larger than the sum of its proper divisors (71411189).

212011002211 is an equidigital number, since it uses as much as digits as its factorization.

212011002211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71411188.

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

Adding to 212011002211 its reverse (112200110212), we get a palindrome (324211112423).

The spelling of 212011002211 in words is "two hundred twelve billion, eleven million, two thousand, two hundred eleven".

Divisors: 1 2969 71408219 212011002211