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11012012222020 = 2252918986227969
BaseRepresentation
bin1010000000111110111100…
…0100111010011001000100
31102222201221001202210010021
42200033233010322121010
52420410100112101040
635230503143104524
72214406633322635
oct240175704723104
942881831683107
1011012012222020
1135661938a9127
12129a250742144
1361b574c77934
142a0daca5588c
151416ab04124a
hexa03ef13a644

11012012222020 has 24 divisors (see below), whose sum is σ = 23922647242200. Its totient is φ = 4252915064832.

The previous prime is 11012012222017. The next prime is 11012012222063. The reversal of 11012012222020 is 2022221021011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2261029483584 + 8750982738436 = 1503672^2 + 2958206^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11012012221985 and 11012012222003.

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, 9493113405 + ... + 9493114564.

It is an arithmetic number, because the mean of its divisors is an integer number (996776968425).

Almost surely, 211012012222020 is an apocalyptic number.

11012012222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11012012222020 is an abundant number, since it is smaller than the sum of its proper divisors (12910635020180).

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

11012012222020 is a wasteful number, since it uses less digits than its factorization.

11012012222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18986228007 (or 18986228005 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11012012222020 its reverse (2022221021011), we get a palindrome (13034233243031).

The spelling of 11012012222020 in words is "eleven trillion, twelve billion, twelve million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 18986227969 37972455938 75944911876 94931139845 189862279690 379724559380 550600611101 1101201222202 2202402444404 2753003055505 5506006111010 11012012222020