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11233010221 = 111711005551
BaseRepresentation
bin10100111011000101…
…00010001000101101
31001222211220001011121
422131202202020231
5141001122311341
65054350220541
7545236003636
oct123542421055
931884801147
1011233010221
114844817924
122215ab4751
1310a029bb14
14787c0688d
1545b2694d1
hex29d8a222d

11233010221 has 4 divisors (see below), whose sum is σ = 11234026944. Its totient is φ = 11231993500.

The previous prime is 11233010203. The next prime is 11233010291. The reversal of 11233010221 is 12201033211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11233010221 - 211 = 11233008173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11233010195 and 11233010204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11233010291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491605 + ... + 513946.

It is an arithmetic number, because the mean of its divisors is an integer number (2808506736).

Almost surely, 211233010221 is an apocalyptic number.

It is an amenable number.

11233010221 is a deficient number, since it is larger than the sum of its proper divisors (1016723).

11233010221 is a wasteful number, since it uses less digits than its factorization.

11233010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016722.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11233010221 its reverse (12201033211), we get a palindrome (23434043432).

The spelling of 11233010221 in words is "eleven billion, two hundred thirty-three million, ten thousand, two hundred twenty-one".

Divisors: 1 11171 1005551 11233010221