Search a number
-
+
120111220211 = 196883918443
BaseRepresentation
bin110111111011100101…
…1111100010111110011
3102111000202110011221112
41233313023330113303
53431441433021321
6131102304143535
711451316345403
oct1576713742763
9374022404845
10120111220211
1146a3671a554
121b341007bab
13b432258c48
145b56018803
1531ceb24a5b
hex1bf72fc5f3

120111220211 has 8 divisors (see below), whose sum is σ = 126451369920. Its totient is φ = 113772921192.

The previous prime is 120111220171. The next prime is 120111220261. The reversal of 120111220211 is 112022111021.

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 120111220211 - 210 = 120111219187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120111220261) 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, 328445 + ... + 589998.

It is an arithmetic number, because the mean of its divisors is an integer number (15806421240).

Almost surely, 2120111220211 is an apocalyptic number.

120111220211 is a deficient number, since it is larger than the sum of its proper divisors (6340149709).

120111220211 is an equidigital number, since it uses as much as digits as its factorization.

120111220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925345.

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

Adding to 120111220211 its reverse (112022111021), we get a palindrome (232133331232).

The spelling of 120111220211 in words is "one hundred twenty billion, one hundred eleven million, two hundred twenty thousand, two hundred eleven".

Divisors: 1 19 6883 130777 918443 17450417 6321643169 120111220211