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11022222202220 = 2251749731497463
BaseRepresentation
bin1010000001100100111110…
…1000111001010101101100
31110000201021121122111221002
42200121033220321111230
52421042002340432340
635235312230255432
72215220640610025
oct240311750712554
943021247574832
1011022222202220
11356a5530a2399
1212a021bab7578
1361c511304c38
142a169aa37c4c
15141aa757a715
hexa064fa3956c

11022222202220 has 24 divisors (see below), whose sum is σ = 23147990253024. Its totient is φ = 4408636761216.

The previous prime is 11022222202207. The next prime is 11022222202267. The reversal of 11022222202220 is 2220222222011.

It is a super-2 number, since 2×110222222022202 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11022222202192 and 11022222202201.

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, 15398792 + ... + 16098671.

It is an arithmetic number, because the mean of its divisors is an integer number (964499593876).

Almost surely, 211022222202220 is an apocalyptic number.

11022222202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11022222202220 is an abundant number, since it is smaller than the sum of its proper divisors (12125768050804).

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

11022222202220 is a wasteful number, since it uses less digits than its factorization.

11022222202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31514969 (or 31514967 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 11022222202220 its reverse (2220222222011), we get a palindrome (13242444424231).

The spelling of 11022222202220 in words is "eleven trillion, twenty-two billion, two hundred twenty-two million, two hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 17497 34994 69988 87485 174970 349940 31497463 62994926 125989852 157487315 314974630 629949260 551111110111 1102222220222 2204444440444 2755555550555 5511111101110 11022222202220