Search a number
-
+
121222122102211 = 1383911114158073
BaseRepresentation
bin11011100100000000111001…
…100001101101110111000011
3120220012201111010010101010211
4123210000321201231313003
5111342100401224232321
61105452401334534551
734351003122514054
oct3344007141556703
9526181433111124
10121222122102211
11356970167440a9
12117197ab507457
135284273c48390
1421d127964072b
15e033eb53d0e1
hex6e403986ddc3

121222122102211 has 8 divisors (see below), whose sum is σ = 130702498950240. Its totient is φ = 111763973572032.

The previous prime is 121222122102199. The next prime is 121222122102217. The reversal of 121222122102211 is 112201221222121.

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 121222122102211 - 27 = 121222122102083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121222122102217) 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 7 ways as a sum of consecutive naturals, for example, 5557068130 + ... + 5557089943.

It is an arithmetic number, because the mean of its divisors is an integer number (16337812368780).

Almost surely, 2121222122102211 is an apocalyptic number.

121222122102211 is a deficient number, since it is larger than the sum of its proper divisors (9480376848029).

121222122102211 is a wasteful number, since it uses less digits than its factorization.

121222122102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11114158925.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 121222122102211 its reverse (112201221222121), we get a palindrome (233423343324332).

The spelling of 121222122102211 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred two thousand, two hundred eleven".

Divisors: 1 13 839 10907 11114158073 144484054949 9324778623247 121222122102211