221012110210 has 32 divisors (see below), whose sum is σ = 411305923584. Its totient is φ = 85417416000.

The previous prime is 221012110177. The next prime is 221012110217. The reversal of 221012110210 is 12011210122.

221012110210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (221012110217) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 369321 + ... + 760540.

It is an arithmetic number, because the mean of its divisors is an integer number (12853310112).

Almost surely, 2^221012110210 is an apocalyptic number.

221012110210 is a deficient number, since it is larger than the sum of its proper divisors (190293813374).

221012110210 is a wasteful number, since it uses less digits than its factorization.

221012110210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130530.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 221012110210 its reverse (12011210122), we get a palindrome (233023320332).

The spelling of 221012110210 in words is "two hundred twenty-one billion, twelve million, one hundred ten thousand, two hundred ten".