Search a number
-
+
11122201020020 = 2251813072431221
BaseRepresentation
bin1010000111011001011011…
…0101110100011001110100
31110101021100022102200122212
42201312112311310121310
52424211231430120040
635353245115312552
72225360336543606
oct241662665643164
943337308380585
1011122201020020
1135a899857aa42
1212b768274b758
13628a8560911c
142a6462d43176
151444a99cdd65
hexa1d96d74674

11122201020020 has 24 divisors (see below), whose sum is σ = 23485664260968. Its totient is φ = 4424300956800.

The previous prime is 11122201020011. The next prime is 11122201020041. The reversal of 11122201020020 is 2002010222111.

It can be written as a sum of positive squares in 4 ways, for example, as 106957777936 + 11015243242084 = 327044^2 + 3318922^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11122201019977 and 11122201020004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1536211991 + ... + 1536219230.

It is an arithmetic number, because the mean of its divisors is an integer number (978569344207).

Almost surely, 211122201020020 is an apocalyptic number.

11122201020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122201020020 is an abundant number, since it is smaller than the sum of its proper divisors (12363463240948).

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

11122201020020 is a wasteful number, since it uses less digits than its factorization.

11122201020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072431411 (or 3072431409 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11122201020020 its reverse (2002010222111), we get a palindrome (13124211242131).

The spelling of 11122201020020 in words is "eleven trillion, one hundred twenty-two billion, two hundred one million, twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 181 362 724 905 1810 3620 3072431221 6144862442 12289724884 15362156105 30724312210 61448624420 556110051001 1112220102002 2224440204004 2780550255005 5561100510010 11122201020020