Search a number
-
+
111122001201 = 31914831314571
BaseRepresentation
bin110011101111101100…
…0110010110100110001
3101121211021122112200010
41213133120302310301
53310034213014301
6123014310045133
711012464265661
oct1473730626461
9347737575603
10111122001201
1143143522232
12196526497a9
13a62bab1b43
14554220c1a1
152d558775d6
hex19df632d31

111122001201 has 16 divisors (see below), whose sum is σ = 156065987840. Its totient is φ = 70134938640.

The previous prime is 111122001187. The next prime is 111122001203. The reversal of 111122001201 is 102100221111.

It is not a de Polignac number, because 111122001201 - 25 = 111122001169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111122001203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 572755 + ... + 741816.

It is an arithmetic number, because the mean of its divisors is an integer number (9754124240).

Almost surely, 2111122001201 is an apocalyptic number.

It is an amenable number.

111122001201 is a deficient number, since it is larger than the sum of its proper divisors (44943986639).

111122001201 is a wasteful number, since it uses less digits than its factorization.

111122001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316076.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111122001201 its reverse (102100221111), we get a palindrome (213222222312).

The spelling of 111122001201 in words is "one hundred eleven billion, one hundred twenty-two million, one thousand, two hundred one".

Divisors: 1 3 19 57 1483 4449 28177 84531 1314571 3943713 24976849 74930547 1949508793 5848526379 37040667067 111122001201