221110022210 has 64 divisors (see below), whose sum is σ = 522321454080. Its totient is φ = 65290173120.

The previous prime is 221110022197. The next prime is 221110022279. The reversal of 221110022210 is 12220011122.

221110022210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7542104 + ... + 7571363.

It is an arithmetic number, because the mean of its divisors is an integer number (8161272720).

Almost surely, 2^221110022210 is an apocalyptic number.

221110022210 is an abundant number, since it is smaller than the sum of its proper divisors (301211431870).

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

221110022210 is a wasteful number, since it uses less digits than its factorization.

221110022210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15113511.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221110022210 its reverse (12220011122), we get a palindrome (233330033332).

The spelling of 221110022210 in words is "two hundred twenty-one billion, one hundred ten million, twenty-two thousand, two hundred ten".