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2122222110112 = 25135101495457
BaseRepresentation
bin11110111000011110010…
…010111000010110100000
321111212211022022100111001
4132320132102320112200
5234232302330010422
64302534013001344
7306216433204426
oct36703622702640
97455738270431
102122222110112
11749036067145
122a3373a83254
13125180c21aa0
1474a04d8b116
153a30d0bb227
hex1ee1e4b85a0

2122222110112 has 24 divisors (see below), whose sum is σ = 4499518993956. Its totient is φ = 979487127552.

The previous prime is 2122222110083. The next prime is 2122222110119. The reversal of 2122222110112 is 2110112222212.

It can be written as a sum of positive squares in 2 ways, for example, as 2093241814416 + 28980295696 = 1446804^2 + 170236^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2122222110112.

It is not an unprimeable number, because it can be changed into a prime (2122222110119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2550747313 + ... + 2550748144.

Almost surely, 22122222110112 is an apocalyptic number.

It is an amenable number.

2122222110112 is an abundant number, since it is smaller than the sum of its proper divisors (2377296883844).

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

2122222110112 is a wasteful number, since it uses less digits than its factorization.

2122222110112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5101495480 (or 5101495472 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2122222110112 its reverse (2110112222212), we get a palindrome (4232334332324).

The spelling of 2122222110112 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred ten thousand, one hundred twelve".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 5101495457 10202990914 20405981828 40811963656 66319440941 81623927312 132638881882 163247854624 265277763764 530555527528 1061111055056 2122222110112