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2111110221230 = 251731633926113
BaseRepresentation
bin11110101110000111111…
…110011000110110101110
321110211010220022220112222
4132232013332120312232
5234042023204034410
64253455230355342
7305344164542063
oct36560776306656
97424126286488
102111110221230
117443537575aa
122a119265bb52
131240cca803ca
147426d2b2c6a
1539dac7c9955
hex1eb87f98dae

2111110221230 has 32 divisors (see below), whose sum is σ = 4024800801504. Its totient is φ = 794519433216.

The previous prime is 2111110221223. The next prime is 2111110221239. The reversal of 2111110221230 is 321220111112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 2111110221199 and 2111110221208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111110221239) 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, 1425347 + ... + 2500766.

It is an arithmetic number, because the mean of its divisors is an integer number (125775025047).

Almost surely, 22111110221230 is an apocalyptic number.

2111110221230 is a deficient number, since it is larger than the sum of its proper divisors (1913690580274).

2111110221230 is a wasteful number, since it uses less digits than its factorization.

2111110221230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3929300.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 2111110221230 its reverse (321220111112), we get a palindrome (2432330332342).

The spelling of 2111110221230 in words is "two trillion, one hundred eleven billion, one hundred ten million, two hundred twenty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 3163 6326 15815 31630 53771 107542 268855 537710 3926113 7852226 19630565 39261130 66743921 133487842 333719605 667439210 12418295419 24836590838 62091477095 124182954190 211111022123 422222044246 1055555110615 2111110221230