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121010000113 = 1011198118813
BaseRepresentation
bin111000010110011000…
…0100001000011110001
3102120100101122221012001
41300230300201003301
53440312030000423
6131331412134001
711512512013102
oct1605460410361
9376311587161
10121010000113
1147357a99162
121b552007301
13b546516182
145bdd5383a9
1532339aecad
hex1c2cc210f1

121010000113 has 4 divisors (see below), whose sum is σ = 122208119028. Its totient is φ = 119811881200.

The previous prime is 121010000071. The next prime is 121010000143. The reversal of 121010000113 is 311000010121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64868014864 + 56141985249 = 254692^2 + 236943^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121010000113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121010000113.

It is not an unprimeable number, because it can be changed into a prime (121010000143) 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, 599059306 + ... + 599059507.

It is an arithmetic number, because the mean of its divisors is an integer number (30552029757).

Almost surely, 2121010000113 is an apocalyptic number.

It is an amenable number.

121010000113 is a deficient number, since it is larger than the sum of its proper divisors (1198118915).

121010000113 is a wasteful number, since it uses less digits than its factorization.

121010000113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198118914.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 121010000113 its reverse (311000010121), we get a palindrome (432010010234).

The spelling of 121010000113 in words is "one hundred twenty-one billion, ten million, one hundred thirteen", and thus it is an aban number.

Divisors: 1 101 1198118813 121010000113