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11212121000103 = 315483472413783
BaseRepresentation
bin1010001100101000011001…
…1111010100100010100111
31110200212102222201222002120
42203022012133110202213
52432144410434000403
635502435520441023
72235022545012132
oct243120637244247
943625388658076
1011212121000103
113633041006971
121310b98779173
136343b5991c2a
142aa953371219
151469bdd00e53
hexa32867d48a7

11212121000103 has 8 divisors (see below), whose sum is σ = 14949510515328. Its totient is φ = 7474739409144.

The previous prime is 11212121000071. The next prime is 11212121000107. The reversal of 11212121000103 is 30100012121211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11212121000103 - 25 = 11212121000071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212121000107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3438150 + ... + 5851932.

It is an arithmetic number, because the mean of its divisors is an integer number (1868688814416).

Almost surely, 211212121000103 is an apocalyptic number.

11212121000103 is a deficient number, since it is larger than the sum of its proper divisors (3737389515225).

11212121000103 is a wasteful number, since it uses less digits than its factorization.

11212121000103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3962133.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11212121000103 its reverse (30100012121211), we get a palindrome (41312133121314).

The spelling of 11212121000103 in words is "eleven trillion, two hundred twelve billion, one hundred twenty-one million, one hundred three", and thus it is an aban number.

Divisors: 1 3 1548347 2413783 4645041 7241349 3737373666701 11212121000103