Search a number
-
+
121335502201 is a prime number
BaseRepresentation
bin111000100000000101…
…0001101010101111001
3102121012002011011002221
41301000022031111321
53441443342032301
6131424000524041
711523543515554
oct1610012152571
9377162134087
10121335502201
1147504800751
121b623020621
13b598aa2864
145c3086969b
153252359da1
hex1c4028d579

121335502201 has 2 divisors, whose sum is σ = 121335502202. Its totient is φ = 121335502200.

The previous prime is 121335502187. The next prime is 121335502217. The reversal of 121335502201 is 102205533121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121068506601 + 266995600 = 347949^2 + 16340^2 .

It is a cyclic number.

It is not a de Polignac number, because 121335502201 - 213 = 121335494009 is a prime.

It is not a weakly prime, because it can be changed into another prime (121335502231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60667751100 + 60667751101.

It is an arithmetic number, because the mean of its divisors is an integer number (60667751101).

Almost surely, 2121335502201 is an apocalyptic number.

It is an amenable number.

121335502201 is a deficient number, since it is larger than the sum of its proper divisors (1).

121335502201 is an equidigital number, since it uses as much as digits as its factorization.

121335502201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 121335502201 in words is "one hundred twenty-one billion, three hundred thirty-five million, five hundred two thousand, two hundred one".