221102011212110 has 32 divisors (see below), whose sum is σ = 455732015325120. Its totient is φ = 75657471800832.

The previous prime is 221102011212077. The next prime is 221102011212119. The reversal of 221102011212110 is 11212110201122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221102011212119) 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 15 ways as a sum of consecutive naturals, for example, 3102715019 + ... + 3102786278.

It is an arithmetic number, because the mean of its divisors is an integer number (14241625478910).

Almost surely, 2^{221102011212110} is an apocalyptic number.

221102011212110 is an abundant number, since it is smaller than the sum of its proper divisors (234630004113010).

221102011212110 is a wasteful number, since it uses less digits than its factorization.

221102011212110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6205501820.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 221102011212110 its reverse (11212110201122), we get a palindrome (232314121413232).

The spelling of 221102011212110 in words is "two hundred twenty-one trillion, one hundred two billion, eleven million, two hundred twelve thousand, one hundred ten".