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2001022110211 = 19611726507429
BaseRepresentation
bin11101000111100110001…
…101100100101000000011
321002021222200010102120211
4131013212031210220003
5230241043130011321
64131131252214551
7264366123204145
oct35074615445003
97067880112524
102001022110211
117016a08a6373
1228398a30a457
13116907243307
146cbc8514c95
15370b7aca0e1
hex1d1e6364a03

2001022110211 has 8 divisors (see below), whose sum is σ = 2140869213200. Its totient is φ = 1864628022240.

The previous prime is 2001022110181. The next prime is 2001022110221. The reversal of 2001022110211 is 1120112201002.

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

It is not a de Polignac number, because 2001022110211 - 233 = 1992432175619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2001022110191 and 2001022110200.

It is not an unprimeable number, because it can be changed into a prime (2001022110221) 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 7 ways as a sum of consecutive naturals, for example, 863252556 + ... + 863254873.

It is an arithmetic number, because the mean of its divisors is an integer number (267608651650).

Almost surely, 22001022110211 is an apocalyptic number.

2001022110211 is a deficient number, since it is larger than the sum of its proper divisors (139847102989).

2001022110211 is a wasteful number, since it uses less digits than its factorization.

2001022110211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726507509.

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

Adding to 2001022110211 its reverse (1120112201002), we get a palindrome (3121134311213).

The spelling of 2001022110211 in words is "two trillion, one billion, twenty-two million, one hundred ten thousand, two hundred eleven".

Divisors: 1 19 61 1159 1726507429 32803641151 105316953169 2001022110211