Search a number
-
+
121221202200113 = 1271496406024531
BaseRepresentation
bin11011100100000000000010…
…101100100100011000110001
3120220012122010000011111200202
4123210000002230210120301
5111342042010230400423
61105452130154124545
734350641252464541
oct3344000254443061
9526178100144622
10121221202200113
1135696694459034
1211719593420755
1352841584a4002
1421d11cd3c3321
15e033958ce728
hex6e4002b24631

121221202200113 has 8 divisors (see below), whose sum is σ = 122995671014400. Its totient is φ = 119459545435440.

The previous prime is 121221202200097. The next prime is 121221202200121. The reversal of 121221202200113 is 311002202122121.

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

It is a cyclic number.

It is not a de Polignac number, because 121221202200113 - 24 = 121221202200097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121221202220113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3202993343 + ... + 3203031188.

It is an arithmetic number, because the mean of its divisors is an integer number (15374458876800).

Almost surely, 2121221202200113 is an apocalyptic number.

It is an amenable number.

121221202200113 is a deficient number, since it is larger than the sum of its proper divisors (1774468814287).

121221202200113 is a wasteful number, since it uses less digits than its factorization.

121221202200113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6406024807.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 121221202200113 its reverse (311002202122121), we get a palindrome (432223404322234).

The spelling of 121221202200113 in words is "one hundred twenty-one trillion, two hundred twenty-one billion, two hundred two million, two hundred thousand, one hundred thirteen".

Divisors: 1 127 149 18923 6406024531 813565115437 954497655119 121221202200113