221010000010 has 16 divisors (see below), whose sum is σ = 397864045800. Its totient is φ = 88393767616.

The previous prime is 221009999999. The next prime is 221010000041. The reversal of 221010000010 is 10000010122.

221010000010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 206853045721 + 14156954289 = 454811^2 + 118983^2 .

It is a junction number, because it is equal to n+sod(n) for n = 221009999948 and 221010000002.

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, 1188025 + ... + 1361404.

Almost surely, 2^221010000010 is an apocalyptic number.

221010000010 is a deficient number, since it is larger than the sum of its proper divisors (176854045790).

221010000010 is a wasteful number, since it uses less digits than its factorization.

221010000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558105.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 221010000010 its reverse (10000010122), we get a palindrome (231010010132).

The spelling of 221010000010 in words is "two hundred twenty-one billion, ten million, ten", and thus it is an aban number.