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2211112112 = 241112563137
BaseRepresentation
bin1000001111001010…
…1110010010110000
312201002121010121012
42003302232102300
514012021041422
61003223450052
7105536066666
oct20362562260
95632533535
102211112112
11a3512a290
125185b6928
13293122481
1416d930c36
15ce1b44e2
hex83cae4b0

2211112112 has 20 divisors (see below), whose sum is σ = 4673487336. Its totient is φ = 1005050880.

The previous prime is 2211112097. The next prime is 2211112121. The reversal of 2211112112 is 2112111122.

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6281393 + ... + 6281744.

Almost surely, 22211112112 is an apocalyptic number.

2211112112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2211112112 is an abundant number, since it is smaller than the sum of its proper divisors (2462375224).

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

2211112112 is a wasteful number, since it uses less digits than its factorization.

2211112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12563156 (or 12563150 counting only the distinct ones).

The product of its digits is 16, while the sum is 14.

The square root of 2211112112 is about 47022.4639082216. The cubic root of 2211112112 is about 1302.7775155152. Note that the first 3 decimals are identical.

Adding to 2211112112 its reverse (2112111122), we get a palindrome (4323223234).

The spelling of 2211112112 in words is "two billion, two hundred eleven million, one hundred twelve thousand, one hundred twelve".

Divisors: 1 2 4 8 11 16 22 44 88 176 12563137 25126274 50252548 100505096 138194507 201010192 276389014 552778028 1105556056 2211112112