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11122131100 = 22521091020379
BaseRepresentation
bin10100101101110111…
…00100000010011100
31001201010020210121111
422112323210002130
5140234231143400
65035345511404
7542421361123
oct122673440234
931633223544
1011122131100
114798175793
1221a4942564
131083319582
147771c2aba
154516663ba
hex296ee409c

11122131100 has 36 divisors (see below), whose sum is σ = 24356470600. Its totient is φ = 4408032960.

The previous prime is 11122131077. The next prime is 11122131101. The reversal of 11122131100 is 113122111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122131101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 499290 + ... + 521089.

Almost surely, 211122131100 is an apocalyptic number.

11122131100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122131100 is an abundant number, since it is smaller than the sum of its proper divisors (13234339500).

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

11122131100 is a wasteful number, since it uses less digits than its factorization.

11122131100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020502 (or 1020495 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11122131100 its reverse (113122111), we get a palindrome (11235253211).

The spelling of 11122131100 in words is "eleven billion, one hundred twenty-two million, one hundred thirty-one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 109 218 436 545 1090 2180 2725 5450 10900 1020379 2040758 4081516 5101895 10203790 20407580 25509475 51018950 102037900 111221311 222442622 444885244 556106555 1112213110 2224426220 2780532775 5561065550 11122131100