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11202011102221 = 412291193099489
BaseRepresentation
bin1010001100000010101111…
…1001000111110000001101
31110122220100102011221102021
42203000223321013300031
52432013204320232341
635454044410330141
72234214164212162
oct243005371076015
943586312157367
1011202011102221
11362982325aa65
12130b036a29951
136334642a6a34
142aa2747a2069
151465cb4859d1
hexa302be47c0d

11202011102221 has 8 divisors (see below), whose sum is σ = 11525341073400. Its totient is φ = 10881067330560.

The previous prime is 11202011102207. The next prime is 11202011102263. The reversal of 11202011102221 is 12220111020211.

It can be written as a sum of positive squares in 4 ways, for example, as 2058826089321 + 9143185012900 = 1434861^2 + 3023770^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11202011102221 - 29 = 11202011101709 is a prime.

It is a super-2 number, since 2×112020111022212 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11202011102195 and 11202011102204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202011102621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 596540356 + ... + 596559133.

It is an arithmetic number, because the mean of its divisors is an integer number (1440667634175).

Almost surely, 211202011102221 is an apocalyptic number.

It is an amenable number.

11202011102221 is a deficient number, since it is larger than the sum of its proper divisors (323329971179).

11202011102221 is a wasteful number, since it uses less digits than its factorization.

11202011102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193099759.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11202011102221 its reverse (12220111020211), we get a palindrome (23422122122432).

The spelling of 11202011102221 in words is "eleven trillion, two hundred two billion, eleven million, one hundred two thousand, two hundred twenty-one".

Divisors: 1 41 229 9389 1193099489 48917079049 273219782981 11202011102221