11010221010 has 48 divisors (see below), whose sum is σ = 28679615640. Its totient is φ = 2930618880.

The previous prime is 11010221009. The next prime is 11010221011. The reversal of 11010221010 is 1012201011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11010221009) and next prime (11010221011).

It can be written as a sum of positive squares in 4 ways, for example, as 7388949681 + 3621271329 = 85959^2 + 60177^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11010220983 and 11010221001.

It is not an unprimeable number, because it can be changed into a prime (11010221011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64375 + ... + 161754.

Almost surely, 2^11010221010 is an apocalyptic number.

11010221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11010221010 is an abundant number, since it is smaller than the sum of its proper divisors (17669394630).

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

11010221010 is a wasteful number, since it uses less digits than its factorization.

11010221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226683 (or 226680 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11010221010 its reverse (1012201011), we get a palindrome (12022422021).

The spelling of 11010221010 in words is "eleven billion, ten million, two hundred twenty-one thousand, ten".