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11010120220 = 22511127394063
BaseRepresentation
bin10100100000100000…
…10001101000011100
31001102022111001120101
422100100101220130
5140022042321340
65020305030444
7536561322601
oct122020215034
931368431511
1011010120220
11473aa20310
122173325424
13106605bb48
147663866a8
154468dcc9a
hex290411a1c

11010120220 has 48 divisors (see below), whose sum is σ = 25421856768. Its totient is φ = 3972144960.

The previous prime is 11010120203. The next prime is 11010120281. The reversal of 11010120220 is 2202101011.

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 = 11010120197 and 11010120206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169092 + ... + 224971.

It is an arithmetic number, because the mean of its divisors is an integer number (529622016).

Almost surely, 211010120220 is an apocalyptic number.

11010120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11010120220 is an abundant number, since it is smaller than the sum of its proper divisors (14411736548).

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

11010120220 is a wasteful number, since it uses less digits than its factorization.

11010120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394210 (or 394208 counting only the distinct ones).

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

Adding to 11010120220 its reverse (2202101011), we get a palindrome (13212221231).

It can be divided in two parts, 110101 and 20220, that added together give a 4-th power (130321 = 194).

The spelling of 11010120220 in words is "eleven billion, ten million, one hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 127 220 254 508 635 1270 1397 2540 2794 5588 6985 13970 27940 394063 788126 1576252 1970315 3940630 4334693 7881260 8669386 17338772 21673465 43346930 50046001 86693860 100092002 200184004 250230005 500460010 550506011 1000920020 1101012022 2202024044 2752530055 5505060110 11010120220