Search a number
-
+
111213030201 = 371317193789383
BaseRepresentation
bin110011110010011010…
…0000010101100111001
3101122001121221021222120
41213210310002230321
53310231013431301
6123031321111453
711014651105440
oct1474464025471
9348047837876
10111213030201
114318a946709
1219679028589
13a644904260
145550345d57
152d5d858e36
hex19e4d02b39

111213030201 has 256 divisors, whose sum is σ = 211805798400. Its totient is φ = 50188419072.

The previous prime is 111213030143. The next prime is 111213030259. The reversal of 111213030201 is 102030312111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (111213030143) and next prime (111213030259).

It is not a de Polignac number, because 111213030201 - 27 = 111213030073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111213030281) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 290373256 + ... + 290373638.

It is an arithmetic number, because the mean of its divisors is an integer number (827366400).

Almost surely, 2111213030201 is an apocalyptic number.

It is an amenable number.

111213030201 is a deficient number, since it is larger than the sum of its proper divisors (100592768199).

111213030201 is a wasteful number, since it uses less digits than its factorization.

111213030201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 111213030201 its reverse (102030312111), we get a palindrome (213243342312).

It can be divided in two parts, 111 and 213030201, that added together give a palindrome (213030312).

The spelling of 111213030201 in words is "one hundred eleven billion, two hundred thirteen million, thirty thousand, two hundred one".