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2111222242311 = 371337221394447
BaseRepresentation
bin11110101110001110101…
…001101101110000000111
321110211102201010011120220
4132232032221231300013
5234042240343223221
64253514311355423
7305350024652130
oct36561651556007
97424381104526
102111222242311
11744400a09706
122a1204082b73
1312411a042680
1474280112c87
1539db75560c6
hex1eb8ea6dc07

2111222242311 has 64 divisors (see below), whose sum is σ = 3559852412928. Its totient is φ = 1083013037568.

The previous prime is 2111222242303. The next prime is 2111222242351. The reversal of 2111222242311 is 1132422221112.

It is not a de Polignac number, because 2111222242311 - 23 = 2111222242303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111222242351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22306290 + ... + 22400736.

It is an arithmetic number, because the mean of its divisors is an integer number (55622693952).

Almost surely, 22111222242311 is an apocalyptic number.

2111222242311 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2111222242311 is a deficient number, since it is larger than the sum of its proper divisors (1448630170617).

2111222242311 is a wasteful number, since it uses less digits than its factorization.

2111222242311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96720.

The product of its digits is 768, while the sum is 24.

Adding to 2111222242311 its reverse (1132422221112), we get a palindrome (3243644463423).

The spelling of 2111222242311 in words is "two trillion, one hundred eleven billion, two hundred twenty-two million, two hundred forty-two thousand, three hundred eleven".

Divisors: 1 3 7 13 21 37 39 91 111 259 273 481 777 1443 2213 3367 6639 10101 15491 28769 46473 81881 86307 94447 201383 245643 283341 573167 604149 661129 1064453 1227811 1719501 1983387 3193359 3494539 3683433 7451171 8594677 10483617 22353513 24461773 25784031 45429007 73385319 136287021 209011211 318003049 627033633 954009147 1463078477 2717145743 4389235431 7733414807 8151437229 19020020201 23200244421 54133903649 57060060603 100534392491 162401710947 301603177473 703740747437 2111222242311