221110210112 has 56 divisors (see below), whose sum is σ = 478762905312. Its totient is φ = 100481638400.

The previous prime is 221110210067. The next prime is 221110210127. The reversal of 221110210112 is 211012011122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3256187 + ... + 3323397.

Almost surely, 2^221110210112 is an apocalyptic number.

221110210112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

221110210112 is an abundant number, since it is smaller than the sum of its proper divisors (257652695200).

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

221110210112 is a wasteful number, since it uses less digits than its factorization.

221110210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71907 (or 71897 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 221110210112 its reverse (211012011122), we get a palindrome (432122221234).

The spelling of 221110210112 in words is "two hundred twenty-one billion, one hundred ten million, two hundred ten thousand, one hundred twelve".