Search a number
-
+
12201101121211 is a prime number
BaseRepresentation
bin1011000110001100101001…
…0011000101011010111011
31121012102011201022112121221
42301203022103011122323
53044400323341334321
641541035233012511
72366333442232312
oct261431223053273
947172151275557
1012201101121211
113984504556732
1214507a40b4137
136a6735b92b72
14302772011279
151625a2d9ce41
hexb18ca4c56bb

12201101121211 has 2 divisors, whose sum is σ = 12201101121212. Its totient is φ = 12201101121210.

The previous prime is 12201101121197. The next prime is 12201101121239. The reversal of 12201101121211 is 11212110110221.

12201101121211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12201101121211 - 215 = 12201101088443 is a prime.

It is not a weakly prime, because it can be changed into another prime (12201101121311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100550560605 + 6100550560606.

It is an arithmetic number, because the mean of its divisors is an integer number (6100550560606).

Almost surely, 212201101121211 is an apocalyptic number.

12201101121211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201101121211 is an equidigital number, since it uses as much as digits as its factorization.

12201101121211 is an evil number, because the sum of its binary digits is even.

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

Adding to 12201101121211 its reverse (11212110110221), we get a palindrome (23413211231432).

The spelling of 12201101121211 in words is "twelve trillion, two hundred one billion, one hundred one million, one hundred twenty-one thousand, two hundred eleven".