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11223030231111 = 312013718183777
BaseRepresentation
bin1010001101010001000010…
…1110101111000001000111
31110201220121021101022200110
42203110100232233001013
52432334231214343421
635511442223244103
72235560102650266
oct243242056570107
943656537338613
1011223030231111
113637729a88666
121313122149633
13635433b585ca
142ab2aa1745dd
15146e0b910a76
hexa3510baf047

11223030231111 has 16 divisors (see below), whose sum is σ = 14977081529568. Its totient is φ = 7475500032000.

The previous prime is 11223030231043. The next prime is 11223030231229. The reversal of 11223030231111 is 11113203032211.

It is not a de Polignac number, because 11223030231111 - 225 = 11222996676679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223030231811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133921255 + ... + 134005031.

It is an arithmetic number, because the mean of its divisors is an integer number (936067595598).

Almost surely, 211223030231111 is an apocalyptic number.

11223030231111 is a deficient number, since it is larger than the sum of its proper divisors (3754051298457).

11223030231111 is a wasteful number, since it uses less digits than its factorization.

11223030231111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122162.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 11223030231111 its reverse (11113203032211), we get a palindrome (22336233263322).

The spelling of 11223030231111 in words is "eleven trillion, two hundred twenty-three billion, thirty million, two hundred thirty-one thousand, one hundred eleven".

Divisors: 1 3 1201 3603 37181 83777 111543 251331 44654381 100616177 133963143 301848531 3114912637 9344737911 3741010077037 11223030231111