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2122222020100 = 2252713233211211
BaseRepresentation
bin11110111000011110010…
…010100010011000000100
321111212211022010210000021
4132320132102202120010
5234232302314120400
64302534011024524
7306216432351130
oct36703622423004
97455738123007
102122222020100
11749036005556
122a3373a3b144
13125180bbcb20
1474a04d663c0
153a30d09e71a
hex1ee1e4a2604

2122222020100 has 72 divisors (see below), whose sum is σ = 5667965296448. Its totient is φ = 671648284800.

The previous prime is 2122222020097. The next prime is 2122222020101. The reversal of 2122222020100 is 10202222212.

It is not an unprimeable number, because it can be changed into a prime (2122222020101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116596506 + ... + 116614705.

Almost surely, 22122222020100 is an apocalyptic number.

2122222020100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122222020100 is an abundant number, since it is smaller than the sum of its proper divisors (3545743276348).

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

2122222020100 is a wasteful number, since it uses less digits than its factorization.

2122222020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233211245 (or 233211238 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2122222020100 its reverse (10202222212), we get a palindrome (2132424242312).

It can be divided in two parts, 212222 and 2020100, that added together give a palindrome (2232322).

The spelling of 2122222020100 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-two million, twenty thousand, one hundred".

Divisors: 1 2 4 5 7 10 13 14 20 25 26 28 35 50 52 65 70 91 100 130 140 175 182 260 325 350 364 455 650 700 910 1300 1820 2275 4550 9100 233211211 466422422 932844844 1166056055 1632478477 2332112110 3031745743 3264956954 4664224220 5830280275 6063491486 6529913908 8162392385 11660560550 12126982972 15158728715 16324784770 21222220201 23321121100 30317457430 32649569540 40811961925 42444440402 60634914860 75793643575 81623923850 84888880804 106111101005 151587287150 163247847700 212222202010 303174574300 424444404020 530555505025 1061111010050 2122222020100