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11210220210020 = 2251343116231577
BaseRepresentation
bin1010001100100001010100…
…1100011000011101100100
31110200200112112001211021212
42203020111030120131210
52432132012333210040
635501523140130552
72234624464402106
oct243102514303544
943620475054255
1011210220210020
113632256071177
121310748096a58
13634171c42880
142aa812b3d576
1514690bed8d65
hexa3215318764

11210220210020 has 24 divisors (see below), whose sum is σ = 25352344167864. Its totient is φ = 4139158231296.

The previous prime is 11210220209971. The next prime is 11210220210047. The reversal of 11210220210020 is 2001202201211.

It can be written as a sum of positive squares in 4 ways, for example, as 1206258496804 + 10003961713216 = 1098298^2 + 3162904^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11210220209977 and 11210220210004.

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, 21558115529 + ... + 21558116048.

It is an arithmetic number, because the mean of its divisors is an integer number (1056347673661).

Almost surely, 211210220210020 is an apocalyptic number.

11210220210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11210220210020 is an abundant number, since it is smaller than the sum of its proper divisors (14142123957844).

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

11210220210020 is a wasteful number, since it uses less digits than its factorization.

11210220210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43116231599 (or 43116231597 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11210220210020 its reverse (2001202201211), we get a palindrome (13211422411231).

The spelling of 11210220210020 in words is "eleven trillion, two hundred ten billion, two hundred twenty million, two hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 43116231577 86232463154 172464926308 215581157885 431162315770 560511010501 862324631540 1121022021002 2242044042004 2802555052505 5605110105010 11210220210020