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11200021112 = 237200000377
BaseRepresentation
bin10100110111001001…
…01100001001111000
31001220112211000121202
422123210230021320
5140414201133422
65051211153332
7544355415530
oct123344541170
931815730552
1011200021112
1148281356a5
122206a45848
1310964bb437
1478369a4c0
154583eeb92
hex29b92c278

11200021112 has 16 divisors (see below), whose sum is σ = 24000045360. Its totient is φ = 4800009024.

The previous prime is 11200021111. The next prime is 11200021117. The reversal of 11200021112 is 21112000211.

It is a junction number, because it is equal to n+sod(n) for n = 11200021093 and 11200021102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200021111) 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, 100000133 + ... + 100000244.

It is an arithmetic number, because the mean of its divisors is an integer number (1500002835).

Almost surely, 211200021112 is an apocalyptic number.

It is an amenable number.

11200021112 is an abundant number, since it is smaller than the sum of its proper divisors (12800024248).

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

11200021112 is a wasteful number, since it uses less digits than its factorization.

11200021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200000390 (or 200000386 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11200021112 its reverse (21112000211), we get a palindrome (32312021323).

The spelling of 11200021112 in words is "eleven billion, two hundred million, twenty-one thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 200000377 400000754 800001508 1400002639 1600003016 2800005278 5600010556 11200021112