Search a number
-
+
121202102211 = 350979372693
BaseRepresentation
bin111000011100000110…
…1010100111111000011
3102120211210010201201120
41300320031110333003
53441210214232321
6131402433403323
711520333604401
oct1607015247703
9376753121646
10121202102211
1147446477323
121b5a6409543
13b577266658
145c1ac62471
1532457a8ec6
hex1c38354fc3

121202102211 has 8 divisors (see below), whose sum is σ = 161920295760. Its totient is φ = 80642655072.

The previous prime is 121202102173. The next prime is 121202102213. The reversal of 121202102211 is 112201202121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121202102211 - 27 = 121202102083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121202102213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39684820 + ... + 39687873.

It is an arithmetic number, because the mean of its divisors is an integer number (20240036970).

Almost surely, 2121202102211 is an apocalyptic number.

121202102211 is a deficient number, since it is larger than the sum of its proper divisors (40718193549).

121202102211 is an equidigital number, since it uses as much as digits as its factorization.

121202102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79373205.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121202102211 its reverse (112201202121), we get a palindrome (233403304332).

The spelling of 121202102211 in words is "one hundred twenty-one billion, two hundred two million, one hundred two thousand, two hundred eleven".

Divisors: 1 3 509 1527 79372693 238118079 40400700737 121202102211