Search a number
-
+
112021120102021 = 132662846864509
BaseRepresentation
bin11001011110000111110011…
…000100100010111010000101
3112200122010002110120222102221
4121132013303010202322011
5104140323223221231041
61034125443033532341
732411154533110234
oct3136076304427205
9480563073528387
10112021120102021
1132769987a05249
121069253a5740b1
134a677142abb00
141d93bcb768b1b
15ce3dd69632d1
hex65e1f3122e85

112021120102021 has 6 divisors (see below), whose sum is σ = 121300976205330. Its totient is φ = 103404110863248.

The previous prime is 112021120102007. The next prime is 112021120102039. The reversal of 112021120102021 is 120201021120211.

It can be written as a sum of positive squares in 3 ways, for example, as 10305544550625 + 101715575551396 = 3210225^2 + 10085414^2 .

It is not a de Polignac number, because 112021120102021 - 219 = 112021119577733 is a prime.

It is a super-2 number, since 2×1120211201020212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112021120101986 and 112021120102004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112021120102061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 331423432086 + ... + 331423432423.

It is an arithmetic number, because the mean of its divisors is an integer number (20216829367555).

Almost surely, 2112021120102021 is an apocalyptic number.

It is an amenable number.

112021120102021 is a deficient number, since it is larger than the sum of its proper divisors (9279856103309).

112021120102021 is an equidigital number, since it uses as much as digits as its factorization.

112021120102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662846864535 (or 662846864522 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112021120102021 its reverse (120201021120211), we get a palindrome (232222141222232).

The spelling of 112021120102021 in words is "one hundred twelve trillion, twenty-one billion, one hundred twenty million, one hundred two thousand, twenty-one".

Divisors: 1 13 169 662846864509 8617009238617 112021120102021