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11021201210 = 252773978773
BaseRepresentation
bin10100100001110101…
…00010111100111010
31001110002100000211102
422100322202330322
5140032411414320
65021342331402
7540054443645
oct122072427472
931402300742
1011021201210
1147461a9658
122176b89b62
13106843b746
14767a2ca5c
1544787b175
hex290ea2f3a

11021201210 has 16 divisors (see below), whose sum is σ = 19909785096. Its totient is φ = 4392564288.

The previous prime is 11021201197. The next prime is 11021201281. The reversal of 11021201210 is 1210212011.

11021201210 is digitally balanced in base 2, 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 10115732929 + 905468281 = 100577^2 + 30091^2 .

It is a super-2 number, since 2×110212012102 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11021201191 and 11021201200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1986617 + ... + 1992156.

Almost surely, 211021201210 is an apocalyptic number.

11021201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11021201210 is a deficient number, since it is larger than the sum of its proper divisors (8888583886).

11021201210 is a wasteful number, since it uses less digits than its factorization.

11021201210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3979057.

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

Adding to 11021201210 its reverse (1210212011), we get a palindrome (12231413221).

The spelling of 11021201210 in words is "eleven billion, twenty-one million, two hundred one thousand, two hundred ten".

Divisors: 1 2 5 10 277 554 1385 2770 3978773 7957546 19893865 39787730 1102120121 2204240242 5510600605 11021201210