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11122210212 = 2233773409839
BaseRepresentation
bin10100101101110111…
…10111010110100100
31001201010101211010120
422112323313112210
5140234241211322
65035351321540
7542422140561
oct122673672644
931633354116
1011122210212
11479821a173
1221a49802b0
131083346599
14777203868
1545167ea5c
hex296ef75a4

11122210212 has 96 divisors (see below), whose sum is σ = 27116678400. Its totient is φ = 3544860672.

The previous prime is 11122210199. The next prime is 11122210223. The reversal of 11122210212 is 21201222111.

It is a junction number, because it is equal to n+sod(n) for n = 11122210191 and 11122210200.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13256089 + ... + 13256927.

It is an arithmetic number, because the mean of its divisors is an integer number (282465400).

Almost surely, 211122210212 is an apocalyptic number.

11122210212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11122210212 is an abundant number, since it is smaller than the sum of its proper divisors (15994468188).

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

11122210212 is a wasteful number, since it uses less digits than its factorization.

11122210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365 (or 1363 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11122210212 its reverse (21201222111), we get a palindrome (32323432323).

The spelling of 11122210212 in words is "eleven billion, one hundred twenty-two million, two hundred ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 37 73 74 111 146 148 219 222 292 409 438 444 818 839 876 1227 1636 1678 2454 2517 2701 3356 4908 5034 5402 8103 10068 10804 15133 16206 29857 30266 31043 32412 45399 59714 60532 61247 62086 89571 90798 93129 119428 122494 124172 179142 181596 183741 186258 244988 343151 358284 367482 372516 686302 734964 1029453 1104709 1372604 2058906 2209418 2266139 3314127 4117812 4418836 4532278 6628254 6798417 9064556 12696587 13256508 13596834 25050023 25393174 27193668 38089761 50100046 50786348 75150069 76179522 100200092 150300138 152359044 300600276 926850851 1853701702 2780552553 3707403404 5561105106 11122210212