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11231010121011 = 371199507752189
BaseRepresentation
bin1010001101101110110001…
…0111100110010100110011
31110202200012101221201201020
42203123230113212110303
52433002102042333021
635515242124110523
72236261620622362
oct243335427462463
943680171851636
1011231010121011
11364005446aa9a
12131478a695443
1363610617a155
142ab825cc57d9
151472272877c6
hexa36ec5e6533

11231010121011 has 32 divisors (see below), whose sum is σ = 15265199232000. Its totient is φ = 7343202303360.

The previous prime is 11231010120949. The next prime is 11231010121069. The reversal of 11231010121011 is 11012101013211.

It is not a de Polignac number, because 11231010121011 - 214 = 11231010104627 is a prime.

It is a super-3 number, since 3×112310101210113 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (11231010121091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215172705 + ... + 215224893.

It is an arithmetic number, because the mean of its divisors is an integer number (477037476000).

Almost surely, 211231010121011 is an apocalyptic number.

11231010121011 is a deficient number, since it is larger than the sum of its proper divisors (4034189110989).

11231010121011 is a wasteful number, since it uses less digits than its factorization.

11231010121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57539.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 11231010121011 its reverse (11012101013211), we get a palindrome (22243111134222).

The spelling of 11231010121011 in words is "eleven trillion, two hundred thirty-one billion, ten million, one hundred twenty-one thousand, eleven".

Divisors: 1 3 71 199 213 597 5077 14129 15231 42387 52189 156567 360467 1010323 1081401 3030969 3705419 10385611 11116257 31156833 71732933 215198799 264963553 737378381 794890659 2212135143 18812412263 52727747047 56437236789 158183241141 3743670040337 11231010121011