222100021110 has 256 divisors, whose sum is σ = 620421120000. Its totient is φ = 50379840000.

The previous prime is 222100021007. The next prime is 222100021147. The reversal of 222100021110 is 11120001222.

It is a congruent number.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 44426391 + ... + 44431389.

It is an arithmetic number, because the mean of its divisors is an integer number (2423520000).

Almost surely, 2^222100021110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222100021110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310210560000).

222100021110 is an abundant number, since it is smaller than the sum of its proper divisors (398321098890).

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

222100021110 is a wasteful number, since it uses less digits than its factorization.

222100021110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5195.

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

Adding to 222100021110 its reverse (11120001222), we get a palindrome (233220022332).

The spelling of 222100021110 in words is "two hundred twenty-two billion, one hundred million, twenty-one thousand, one hundred ten".