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11121214100 = 2252111212141
BaseRepresentation
bin10100101101110000…
…00100001010010100
31001201001112012201112
422112320010022110
5140234012322400
65035314114152
7542410521503
oct122670041224
931631465645
1011121214100
1147976a9837
1221a457b958
131083088079
1477702483a
15451534835
hex296e04294

11121214100 has 18 divisors (see below), whose sum is σ = 24133034814. Its totient is φ = 4448485600.

The previous prime is 11121214067. The next prime is 11121214123. The reversal of 11121214100 is 141212111.

It can be written as a sum of positive squares in 3 ways, for example, as 2604877444 + 8516336656 = 51038^2 + 92284^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55605971 + ... + 55606170.

Almost surely, 211121214100 is an apocalyptic number.

11121214100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121214100 is an abundant number, since it is smaller than the sum of its proper divisors (13011820714).

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

11121214100 is a wasteful number, since it uses less digits than its factorization.

11121214100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111212155 (or 111212148 counting only the distinct ones).

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

Adding to 11121214100 its reverse (141212111), we get a palindrome (11262426211).

The spelling of 11121214100 in words is "eleven billion, one hundred twenty-one million, two hundred fourteen thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 111212141 222424282 444848564 556060705 1112121410 2224242820 2780303525 5560607050 11121214100