Search a number
-
+
121121111033 = 1359157915399
BaseRepresentation
bin111000011001101100…
…0010111101111111001
3102120122010201221201022
41300303120113233321
53441024001023113
6131350421432225
711515331312456
oct1606330275771
9376563657638
10121121111033
114740478946a
121b58326b675
13b56354a090
145c101bc82d
15323d60b908
hex1c33617bf9

121121111033 has 8 divisors (see below), whose sum is σ = 132648936000. Its totient is φ = 109909117008.

The previous prime is 121121110969. The next prime is 121121111047. The reversal of 121121111033 is 330111121121.

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 121121111033 - 26 = 121121110969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121121116033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78956933 + ... + 78958466.

It is an arithmetic number, because the mean of its divisors is an integer number (16581117000).

Almost surely, 2121121111033 is an apocalyptic number.

121121111033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121121111033 is a deficient number, since it is larger than the sum of its proper divisors (11527824967).

121121111033 is a wasteful number, since it uses less digits than its factorization.

121121111033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157915471.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 121121111033 its reverse (330111121121), we get a palindrome (451232232154).

The spelling of 121121111033 in words is "one hundred twenty-one billion, one hundred twenty-one million, one hundred eleven thousand, thirty-three".

Divisors: 1 13 59 767 157915399 2052900187 9317008541 121121111033