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220220102102111 = 643203734238003
BaseRepresentation
bin110010000100100111111100…
…111101010100110001011111
31001212201211120120000211201222
4302010213330331110301133
5212331041232114231421
62100211415051323555
764246243265336216
oct6204477475246137
91055654516024658
10220220102102111
1164194903568411
122084816a7505bb
1395b5888467c57
143c549d1a2607d
151a6d66c082cab
hexc849fcf54c5f

220220102102111 has 4 divisors (see below), whose sum is σ = 220220142772152. Its totient is φ = 220220061432072.

The previous prime is 220220102102101. The next prime is 220220102102149. The reversal of 220220102102111 is 111201201022022.

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 220220102102111 - 226 = 220220034993247 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 220220102102111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220220102102101) 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, 10686965 + ... + 23551038.

It is an arithmetic number, because the mean of its divisors is an integer number (55055035693038).

Almost surely, 2220220102102111 is an apocalyptic number.

220220102102111 is a deficient number, since it is larger than the sum of its proper divisors (40670041).

220220102102111 is an equidigital number, since it uses as much as digits as its factorization.

220220102102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40670040.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 220220102102111 its reverse (111201201022022), we get a palindrome (331421303124133).

The spelling of 220220102102111 in words is "two hundred twenty trillion, two hundred twenty billion, one hundred two million, one hundred two thousand, one hundred eleven".

Divisors: 1 6432037 34238003 220220102102111