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11100221210 = 251385386317
BaseRepresentation
bin10100101011001111…
…11110111100011010
31001122121000122220002
422111213332330122
5140213124034320
65033244133002
7542034215651
oct122547767432
931577018802
1011100221210
114786870541
122199537162
13107b917a40
1477431c198
1544e789675
hex2959fef1a

11100221210 has 16 divisors (see below), whose sum is σ = 21517352136. Its totient is φ = 4098543168.

The previous prime is 11100221207. The next prime is 11100221227. The reversal of 11100221210 is 1212200111.

11100221210 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5564712409 + 5535508801 = 74597^2 + 74401^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11100221191 and 11100221200.

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, 42693029 + ... + 42693288.

Almost surely, 211100221210 is an apocalyptic number.

11100221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11100221210 is a deficient number, since it is larger than the sum of its proper divisors (10417130926).

11100221210 is a wasteful number, since it uses less digits than its factorization.

11100221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85386337.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11100221210 its reverse (1212200111), we get a palindrome (12312421321).

The spelling of 11100221210 in words is "eleven billion, one hundred million, two hundred twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 13 26 65 130 85386317 170772634 426931585 853863170 1110022121 2220044242 5550110605 11100221210