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11001020021210 = 2579130031070933
BaseRepresentation
bin1010000000010101111111…
…1000111111100111011010
31102221200120000000010100202
42200011133320333213122
52420220042111134320
635221444314102202
72213540350212152
oct240053770774732
942850500003322
1011001020021210
113561563007a4a
1212980a341a962
1361a5128511bb
142a0648c15762
15141265ee2b75
hexa015fe3f9da

11001020021210 has 32 divisors (see below), whose sum is σ = 20054053059840. Its totient is φ = 4344368453568.

The previous prime is 11001020021149. The next prime is 11001020021227. The reversal of 11001020021210 is 1212002010011.

It is a junction number, because it is equal to n+sod(n) for n = 11001020021191 and 11001020021200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9736904 + ... + 10807836.

It is an arithmetic number, because the mean of its divisors is an integer number (626689158120).

Almost surely, 211001020021210 is an apocalyptic number.

11001020021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11001020021210 is a deficient number, since it is larger than the sum of its proper divisors (9053033038630).

11001020021210 is a wasteful number, since it uses less digits than its factorization.

11001020021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084022.

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

Adding to 11001020021210 its reverse (1212002010011), we get a palindrome (12213022031221).

The spelling of 11001020021210 in words is "eleven trillion, one billion, twenty million, twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 79 158 395 790 13003 26006 65015 130030 1027237 1070933 2054474 2141866 5136185 5354665 10272370 10709330 84603707 169207414 423018535 846037070 13925341799 27850683598 69626708995 139253417990 1100102002121 2200204004242 5500510010605 11001020021210