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11101201223 = 721391629893
BaseRepresentation
bin10100101011010111…
…01110001101000111
31001122122212110012212
422111223232031013
5140213401414343
65033321134035
7542045440100
oct122553561507
931578773185
1011101201223
11478737a872
12219992a31b
13107bb9bb28
147744d53a7
1544e8cec18
hex295aee347

11101201223 has 12 divisors (see below), whose sum is σ = 13006554120. Its totient is φ = 9446854032.

The previous prime is 11101201213. The next prime is 11101201273. The reversal of 11101201223 is 32210210111.

It is not a de Polignac number, because 11101201223 - 24 = 11101201207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11101201198 and 11101201207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101201213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 808136 + ... + 821757.

It is an arithmetic number, because the mean of its divisors is an integer number (1083879510).

Almost surely, 211101201223 is an apocalyptic number.

11101201223 is a deficient number, since it is larger than the sum of its proper divisors (1905352897).

11101201223 is a wasteful number, since it uses less digits than its factorization.

11101201223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630046 (or 1630039 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11101201223 its reverse (32210210111), we get a palindrome (43311411334).

The spelling of 11101201223 in words is "eleven billion, one hundred one million, two hundred one thousand, two hundred twenty-three".

Divisors: 1 7 49 139 973 6811 1629893 11409251 79864757 226555127 1585885889 11101201223