Search a number
-
+
12111210222101 = 53832753173499
BaseRepresentation
bin1011000000111101110001…
…1000100001001000010101
31120212211011001201201210022
42300033130120201020111
53041412224304101401
641431451351034525
72360002036214204
oct260173430411025
946784131651708
1012111210222101
11394a376482771
12143729796ba45
1369b10b84c933
142dc2857d323b
151600913c271b
hexb03dc621215

12111210222101 has 8 divisors (see below), whose sum is σ = 12488394996000. Its totient is φ = 11739531795472.

The previous prime is 12111210222011. The next prime is 12111210222161. The reversal of 12111210222101 is 10122201211121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12111210222101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12111210222101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111210222161) 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, 1376582351 + ... + 1376591148.

It is an arithmetic number, because the mean of its divisors is an integer number (1561049374500).

Almost surely, 212111210222101 is an apocalyptic number.

It is an amenable number.

12111210222101 is a deficient number, since it is larger than the sum of its proper divisors (377184773899).

12111210222101 is an equidigital number, since it uses as much as digits as its factorization.

12111210222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753173635.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12111210222101 its reverse (10122201211121), we get a palindrome (22233411433222).

The spelling of 12111210222101 in words is "twelve trillion, one hundred eleven billion, two hundred ten million, two hundred twenty-two thousand, one hundred one".

Divisors: 1 53 83 4399 2753173499 145918195447 228513400417 12111210222101