Search a number
-
+
11122101020 = 225556105051
BaseRepresentation
bin10100101101110110…
…11100101100011100
31001201010012021100102
422112323130230130
5140234224213040
65035345120232
7542421204332
oct122673345434
931633167312
1011122101020
114798155128
1221a4929078
131083308984
147771b5b52
1545165c515
hex296edcb1c

11122101020 has 12 divisors (see below), whose sum is σ = 23356412184. Its totient is φ = 4448840400.

The previous prime is 11122101013. The next prime is 11122101047. The reversal of 11122101020 is 2010122111.

It is a super-2 number, since 2×111221010202 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11122100992 and 11122101010.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 278052506 + ... + 278052545.

It is an arithmetic number, because the mean of its divisors is an integer number (1946367682).

Almost surely, 211122101020 is an apocalyptic number.

11122101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122101020 is an abundant number, since it is smaller than the sum of its proper divisors (12234311164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11122101020 is a wasteful number, since it uses less digits than its factorization.

11122101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556105060 (or 556105058 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11122101020 its reverse (2010122111), we get a palindrome (13132223131).

The spelling of 11122101020 in words is "eleven billion, one hundred twenty-two million, one hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 556105051 1112210102 2224420204 2780525255 5561050510 11122101020