Search a number
-
+
121022201101010 = 25116088431807037
BaseRepresentation
bin11011100001000110101101…
…010011100111101011010010
3120212111121110021111020121212
4123201012231103213223102
5111330311431440213020
61105220455350020122
734330364651163206
oct3341065523475322
9525447407436555
10121022201101010
113561a25552a970
12116a6ab6347642
13526b4630c8971
1421c5711c44b06
15ded0e9ec0cc5
hex6e11ad4e7ad2

121022201101010 has 32 divisors (see below), whose sum is σ = 237644116719552. Its totient is φ = 44007976492480.

The previous prime is 121022201100887. The next prime is 121022201101013. The reversal of 121022201101010 is 10101102220121.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121022201101013) 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, 66069212 + ... + 67876248.

It is an arithmetic number, because the mean of its divisors is an integer number (7426378647486).

Almost surely, 2121022201101010 is an apocalyptic number.

121022201101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121022201101010 is a deficient number, since it is larger than the sum of its proper divisors (116621915618542).

121022201101010 is a wasteful number, since it uses less digits than its factorization.

121022201101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2415898.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121022201101010 its reverse (10101102220121), we get a palindrome (131123303321131).

The spelling of 121022201101010 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred one million, one hundred one thousand, ten".

Divisors: 1 2 5 10 11 22 55 110 608843 1217686 1807037 3044215 3614074 6088430 6697273 9035185 13394546 18070370 19877407 33486365 39754814 66972730 99387035 198774070 1100201828191 2200403656382 5501009140955 11002018281910 12102220110101 24204440220202 60511100550505 121022201101010