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11101011111112 = 23131031036315451
BaseRepresentation
bin1010000110001010011111…
…0100101110110011001000
31110022020122112212210020211
42201202213310232303020
52423334332321023422
635335422322130504
72224010255360536
oct241424764566310
943266575783224
1011101011111112
11359aa0440782a
1212b354a1b0a34
13626a895611a0
142a54129d7156
15143b6956c577
hexa18a7d2ecc8

11101011111112 has 32 divisors (see below), whose sum is σ = 22633129471680. Its totient is φ = 5073800443200.

The previous prime is 11101011111101. The next prime is 11101011111133. The reversal of 11101011111112 is 21111111010111.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 11101011111092 and 11101011111101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518147014 + ... + 518168437.

It is an arithmetic number, because the mean of its divisors is an integer number (707285295990).

Almost surely, 211101011111112 is an apocalyptic number.

It is an amenable number.

11101011111112 is an abundant number, since it is smaller than the sum of its proper divisors (11532118360568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11101011111112 is a wasteful number, since it uses less digits than its factorization.

11101011111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036315573 (or 1036315569 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 13.

Adding to 11101011111112 its reverse (21111111010111), we get a palindrome (32212122121223).

The spelling of 11101011111112 in words is "eleven trillion, one hundred one billion, eleven million, one hundred eleven thousand, one hundred twelve".

Divisors: 1 2 4 8 13 26 52 103 104 206 412 824 1339 2678 5356 10712 1036315451 2072630902 4145261804 8290523608 13472100863 26944201726 53888403452 106740491453 107776806904 213480982906 426961965812 853923931624 1387626388889 2775252777778 5550505555556 11101011111112