221110202010 has 64 divisors (see below), whose sum is σ = 540617255424. Its totient is φ = 57861350400.

The previous prime is 221110201999. The next prime is 221110202017. The reversal of 221110202010 is 10202011122.

It is not an unprimeable number, because it can be changed into a prime (221110202017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 648562 + ... + 928898.

It is an arithmetic number, because the mean of its divisors is an integer number (8447144616).

Almost surely, 2^221110202010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 221110202010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270308627712).

221110202010 is an abundant number, since it is smaller than the sum of its proper divisors (319507053414).

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

221110202010 is a wasteful number, since it uses less digits than its factorization.

221110202010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280839.

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

Adding to 221110202010 its reverse (10202011122), we get a palindrome (231312213132).

The spelling of 221110202010 in words is "two hundred twenty-one billion, one hundred ten million, two hundred two thousand, ten".