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211211002102211 = 976193517662377
BaseRepresentation
bin110000000001100001100100…
…110000001100000111000011
31000200211120111212222010022022
4300001201210300030013003
5210140440113014232321
62025112554520232055
762326330346004656
oct6001414460140703
91020746455863268
10211211002102211
11613310a0477711
121b83213530b62b
1390b115c1b4547
143a2294a53789d
151964139a24dab
hexc01864c0c1c3

211211002102211 has 8 divisors (see below), whose sum is σ = 213733166087280. Its totient is φ = 208695873443328.

The previous prime is 211211002102171. The next prime is 211211002102241. The reversal of 211211002102211 is 112201200112112.

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 211211002102211 - 222 = 211210997907907 is a prime.

It is a super-2 number, since 2×2112110021022112 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211211002102211.

It is not an unprimeable number, because it can be changed into a prime (211211002102241) 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, 1758771146 + ... + 1758891231.

It is an arithmetic number, because the mean of its divisors is an integer number (26716645760910).

Almost surely, 2211211002102211 is an apocalyptic number.

211211002102211 is a deficient number, since it is larger than the sum of its proper divisors (2522163985069).

211211002102211 is an equidigital number, since it uses as much as digits as its factorization.

211211002102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3517663093.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211211002102211 its reverse (112201200112112), we get a palindrome (323412202214323).

The spelling of 211211002102211 in words is "two hundred eleven trillion, two hundred eleven billion, two million, one hundred two thousand, two hundred eleven".

Divisors: 1 97 619 60043 3517662377 341213250569 2177433011363 211211002102211