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11022010221 = 353229302711
BaseRepresentation
bin10100100001111011…
…01000011101101101
31001110010212010120210
422100331220131231
5140033113311341
65021411533033
7540064353405
oct122075503555
931403763523
1011022010221
114746701462
1221772ba179
131068662a51
14767b9d805
1544798ac16
hex290f6876d

11022010221 has 16 divisors (see below), whose sum is σ = 15038732160. Its totient is φ = 7177859520.

The previous prime is 11022010211. The next prime is 11022010261. The reversal of 11022010221 is 12201022011.

It is not a de Polignac number, because 11022010221 - 25 = 11022010189 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11022010197 and 11022010206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022010211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114945 + ... + 187766.

It is an arithmetic number, because the mean of its divisors is an integer number (939920760).

Almost surely, 211022010221 is an apocalyptic number.

It is an amenable number.

11022010221 is a deficient number, since it is larger than the sum of its proper divisors (4016721939).

11022010221 is a wasteful number, since it uses less digits than its factorization.

11022010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302996.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11022010221 its reverse (12201022011), we get a palindrome (23223032232).

The spelling of 11022010221 in words is "eleven billion, twenty-two million, ten thousand, two hundred twenty-one".

Divisors: 1 3 53 159 229 687 12137 36411 302711 908133 16043683 48131049 69320819 207962457 3674003407 11022010221