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11010021000220 = 2251150045550001
BaseRepresentation
bin1010000000110111100001…
…1001000000010000011100
31102222112210021221020022201
42200031320121000100130
52420342010334001340
635225533412221244
72214306404241364
oct240157031002034
942875707836281
1011010021000220
113565361907780
12129999590a824
1361b318584c98
142a0c604039a4
151415e131479a
hexa037864041c

11010021000220 has 24 divisors (see below), whose sum is σ = 25222957201008. Its totient is φ = 4003644000000.

The previous prime is 11010021000191. The next prime is 11010021000239. The reversal of 11010021000220 is 2200012001011.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 11010021000197 and 11010021000206.

It is a congruent number.

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, 25022774781 + ... + 25022775220.

It is an arithmetic number, because the mean of its divisors is an integer number (1050956550042).

Almost surely, 211010021000220 is an apocalyptic number.

11010021000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11010021000220 is an abundant number, since it is smaller than the sum of its proper divisors (14212936200788).

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

11010021000220 is a wasteful number, since it uses less digits than its factorization.

11010021000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50045550021 (or 50045550019 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11010021000220 its reverse (2200012001011), we get a palindrome (13210033001231).

The spelling of 11010021000220 in words is "eleven trillion, ten billion, twenty-one million, two hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 50045550001 100091100002 200182200004 250227750005 500455500010 550501050011 1000911000020 1101002100022 2202004200044 2752505250055 5505010500110 11010021000220