Search a number
-
+
120111201211 = 1929467607769
BaseRepresentation
bin110111111011100101…
…1110111101110111011
3102111000202102012212211
41233313023313232323
53431441431414321
6131102303515551
711451316236121
oct1576713675673
9374022365784
10120111201211
1146a36707251
121b340bb8bb7
13b4322503c1
145b56011911
1531ceb1e0e1
hex1bf72f7bbb

120111201211 has 32 divisors (see below), whose sum is σ = 131459328000. Its totient is φ = 109307584512.

The previous prime is 120111201191. The next prime is 120111201227. The reversal of 120111201211 is 112102111021.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120111201211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120111201191 and 120111201200.

It is not an unprimeable number, because it can be changed into a prime (120111207211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156191035 + ... + 156191803.

It is an arithmetic number, because the mean of its divisors is an integer number (4108104000).

Almost surely, 2120111201211 is an apocalyptic number.

120111201211 is a deficient number, since it is larger than the sum of its proper divisors (11348126789).

120111201211 is a wasteful number, since it uses less digits than its factorization.

120111201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 120111201211 its reverse (112102111021), we get a palindrome (232213312232).

The spelling of 120111201211 in words is "one hundred twenty billion, one hundred eleven million, two hundred one thousand, two hundred eleven".

Divisors: 1 19 29 467 551 607 769 8873 11533 13543 14611 17603 22301 257317 283469 334457 359123 423719 466783 5385911 6823337 8220601 8868877 10414567 13536707 156191419 197876773 217987661 257197433 4141765559 6321642169 120111201211