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210102011212211 = 1541313631480647
BaseRepresentation
bin101111110001011000101111…
…101111101011000110110011
31000112220120000101221211010122
4233301120233233223012303
5210014302404332242321
62022503310444520455
762153240461661066
oct5761305757530663
91015816011854118
10210102011212211
1160a43842a87a18
121b69321655012b
1390306c47c8721
1439c4dc4d4a8dd
15194537ea968ab
hexbf162fbeb1b3

210102011212211 has 4 divisors (see below), whose sum is σ = 210115642708272. Its totient is φ = 210088379716152.

The previous prime is 210102011212201. The next prime is 210102011212217. The reversal of 210102011212211 is 112212110201012.

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 210102011212211 - 214 = 210102011195827 is a prime.

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 210102011212211.

It is not an unprimeable number, because it can be changed into a prime (210102011212217) 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, 6815724911 + ... + 6815755736.

It is an arithmetic number, because the mean of its divisors is an integer number (52528910677068).

Almost surely, 2210102011212211 is an apocalyptic number.

210102011212211 is a deficient number, since it is larger than the sum of its proper divisors (13631496061).

210102011212211 is a wasteful number, since it uses less digits than its factorization.

210102011212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13631496060.

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

Adding to 210102011212211 its reverse (112212110201012), we get a palindrome (322314121413223).

The spelling of 210102011212211 in words is "two hundred ten trillion, one hundred two billion, eleven million, two hundred twelve thousand, two hundred eleven".

Divisors: 1 15413 13631480647 210102011212211