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11211201020110 = 2571331397419391
BaseRepresentation
bin1010001100100100111110…
…1001111000000011001110
31110200210001212122010210111
42203021033221320003032
52432141014430120420
635502204334230234
72234661004216540
oct243111751700316
943623055563714
1011211201020110
113632709778323
12131098065537a
1363429a1c1280
142aa8a70d3690
1514696817945a
hexa324fa780ce

11211201020110 has 64 divisors (see below), whose sum is σ = 25638319816704. Its totient is φ = 3433703529600.

The previous prime is 11211201020069. The next prime is 11211201020111. The reversal of 11211201020110 is 1102010211211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211201020111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 198681486 + ... + 198737905.

It is an arithmetic number, because the mean of its divisors is an integer number (400598747136).

Almost surely, 211211201020110 is an apocalyptic number.

11211201020110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11211201020110 is an abundant number, since it is smaller than the sum of its proper divisors (14427118796594).

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

11211201020110 is a wasteful number, since it uses less digits than its factorization.

11211201020110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397419449.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11211201020110 its reverse (1102010211211), we get a palindrome (12313211231321).

The spelling of 11211201020110 in words is "eleven trillion, two hundred eleven billion, two hundred one million, twenty thousand, one hundred ten".

Divisors: 1 2 5 7 10 13 14 26 31 35 62 65 70 91 130 155 182 217 310 403 434 455 806 910 1085 2015 2170 2821 4030 5642 14105 28210 397419391 794838782 1987096955 2781935737 3974193910 5166452083 5563871474 10332904166 12320001121 13909678685 24640002242 25832260415 27819357370 36165164581 51664520830 61600005605 72330329162 86240007847 123200011210 160160014573 172480015694 180825822905 320320029146 361651645810 431200039235 800800072865 862400078470 1121120102011 1601600145730 2242240204022 5605600510055 11211201020110