Search a number
-
+
11112122012 = 22171511082209
BaseRepresentation
bin10100101100101010…
…11000011010011100
31001200102102021201112
422112111120122130
5140224200401022
65034351201152
7542240323115
oct122625303234
931612367645
1011112122012
114792559812
1221a15161b8
131081223834
14775b3920c
1545083a8e2
hex29655869c

11112122012 has 24 divisors (see below), whose sum is σ = 20726485920. Its totient is φ = 5194598400.

The previous prime is 11112121973. The next prime is 11112122057. The reversal of 11112122012 is 21022121111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530837 + ... + 551372.

It is an arithmetic number, because the mean of its divisors is an integer number (863603580).

Almost surely, 211112122012 is an apocalyptic number.

It is an amenable number.

11112122012 is a deficient number, since it is larger than the sum of its proper divisors (9614363908).

11112122012 is a wasteful number, since it uses less digits than its factorization.

11112122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082381 (or 1082379 counting only the distinct ones).

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

Adding to 11112122012 its reverse (21022121111), we get a palindrome (32134243123).

Subtracting 11112122012 from its reverse (21022121111), we obtain a palindrome (9909999099).

The spelling of 11112122012 in words is "eleven billion, one hundred twelve million, one hundred twenty-two thousand, twelve".

Divisors: 1 2 4 17 34 68 151 302 604 2567 5134 10268 1082209 2164418 4328836 18397553 36795106 73590212 163413559 326827118 653654236 2778030503 5556061006 11112122012