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2221242444211 = 7616435147711
BaseRepresentation
bin100000010100101100010…
…111011110100110110011
321212100102012112111202111
4200110230113132212303
5242343101031203321
64420231422230151
7316323313152220
oct40245427364663
97770365474674
102221242444211
117870294a77aa
122ba5a9725357
1313160179385b
1479719c74947
153cba62de5e1
hex2052c5de9b3

2221242444211 has 8 divisors (see below), whose sum is σ = 2538604468224. Its totient is φ = 1903890838920.

The previous prime is 2221242444163. The next prime is 2221242444227. The reversal of 2221242444211 is 1124442421222.

It is a happy number.

2221242444211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2221242444211 - 227 = 2221108226483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221240444211) 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, 2142355 + ... + 3005356.

It is an arithmetic number, because the mean of its divisors is an integer number (317325558528).

Almost surely, 22221242444211 is an apocalyptic number.

2221242444211 is a deficient number, since it is larger than the sum of its proper divisors (317362024013).

2221242444211 is an equidigital number, since it uses as much as digits as its factorization.

2221242444211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5209361.

The product of its digits is 16384, while the sum is 31.

Adding to 2221242444211 its reverse (1124442421222), we get a palindrome (3345684865433).

The spelling of 2221242444211 in words is "two trillion, two hundred twenty-one billion, two hundred forty-two million, four hundred forty-four thousand, two hundred eleven".

Divisors: 1 7 61643 431501 5147711 36033977 317320349173 2221242444211