Search a number
-
+
121010010202001 = 769764320588803
BaseRepresentation
bin11011100000111011010110…
…101011000001111110010001
3120212110102222200011102001202
4123200323112223001332101
5111330112000102431001
61105211121540440545
734326453601225454
oct3340732653017621
9525412880142052
10121010010202001
113561506a042018
12116a46736a9155
13526a26c54545b
1421c4cb6b3349b
15decb34ae296b
hex6e0ed6ac1f91

121010010202001 has 8 divisors (see below), whose sum is σ = 121183229687520. Its totient is φ = 120836831910912.

The previous prime is 121010010201979. The next prime is 121010010202019. The reversal of 121010010202001 is 100202010010121.

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 121010010202001 - 222 = 121010006007697 is a prime.

It is a super-2 number, since 2×1210100102020012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121010010202051) 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, 4416935 + ... + 16171868.

It is an arithmetic number, because the mean of its divisors is an integer number (15147903710940).

Almost surely, 2121010010202001 is an apocalyptic number.

It is an amenable number.

121010010202001 is a deficient number, since it is larger than the sum of its proper divisors (173219485519).

121010010202001 is an equidigital number, since it uses as much as digits as its factorization.

121010010202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20597215.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121010010202001 its reverse (100202010010121), we get a palindrome (221212020212122).

The spelling of 121010010202001 in words is "one hundred twenty-one trillion, ten billion, ten million, two hundred two thousand, one".

Divisors: 1 769 7643 5877467 20588803 15832789507 157360221329 121010010202001