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11020211211020 = 2251150091869141
BaseRepresentation
bin1010000001011101011111…
…0001100100101100001100
31110000112002110121120121112
42200113113301210230030
52421023343032223040
635234340511551152
72215120051506644
oct240272761445414
943015073546545
1011020211211020
113569710a289a0
12129b95a52b4b8
1361c2807acb0b
142a154991b524
151419dac46365
hexa05d7c64b0c

11020211211020 has 24 divisors (see below), whose sum is σ = 25246302047568. Its totient is φ = 4007349531200.

The previous prime is 11020211211017. The next prime is 11020211211043. The reversal of 11020211211020 is 2011211202011.

It is a junction number, because it is equal to n+sod(n) for n = 11020211210986 and 11020211211004.

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, 25045934351 + ... + 25045934790.

It is an arithmetic number, because the mean of its divisors is an integer number (1051929251982).

Almost surely, 211020211211020 is an apocalyptic number.

11020211211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11020211211020 is an abundant number, since it is smaller than the sum of its proper divisors (14226090836548).

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

11020211211020 is a wasteful number, since it uses less digits than its factorization.

11020211211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50091869161 (or 50091869159 counting only the distinct ones).

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

Adding to 11020211211020 its reverse (2011211202011), we get a palindrome (13031422413031).

Subtracting from 11020211211020 its reverse (2011211202011), we obtain a palindrome (9009000009009).

The spelling of 11020211211020 in words is "eleven trillion, twenty billion, two hundred eleven million, two hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 50091869141 100183738282 200367476564 250459345705 500918691410 551010560551 1001837382820 1102021121102 2204042242204 2755052802755 5510105605510 11020211211020