Search a number
-
+
22012011221011 = 719457521695111
BaseRepresentation
bin1010000000101000100100…
…00111000001000000010011
32212221022211220112121022021
411000110102013001000103
510341121044333033021
6114452102305152311
74431213105150010
oct500242207010023
985838756477267
1022012011221011
117017272533a59
1225760aa02b697
13c3895410b176
1456155c00a707
152828b259dc41
hex1405121c1013

22012011221011 has 32 divisors (see below), whose sum is σ = 26589535441920. Its totient is φ = 17801044185600.

The previous prime is 22012011220999. The next prime is 22012011221027. The reversal of 22012011221011 is 11012211021022.

It is not a de Polignac number, because 22012011221011 - 211 = 22012011218963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22012011221411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31319346 + ... + 32014456.

It is an arithmetic number, because the mean of its divisors is an integer number (830922982560).

Almost surely, 222012011221011 is an apocalyptic number.

22012011221011 is a deficient number, since it is larger than the sum of its proper divisors (4577524220909).

22012011221011 is a wasteful number, since it uses less digits than its factorization.

22012011221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696115.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22012011221011 its reverse (11012211021022), we get a palindrome (33024222242033).

The spelling of 22012011221011 in words is "twenty-two trillion, twelve billion, eleven million, two hundred twenty-one thousand, eleven".

Divisors: 1 7 19 133 457 521 3199 3647 8683 9899 60781 69293 238097 695111 1666679 4523843 4865777 13207109 31666901 92449763 317665727 362152831 2223660089 2535069817 6035648813 6880903789 42249541691 48166326523 165503843767 1158526906369 3144573031573 22012011221011