221110101010112 has 224 divisors, whose sum is σ = 477683879662080. Its totient is φ = 101285357322240.

The previous prime is 221110101010103. The next prime is 221110101010129. The reversal of 221110101010112 is 211010101011122.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4918672628 + ... + 4918717580.

It is an arithmetic number, because the mean of its divisors is an integer number (2132517319920).

Almost surely, 2^{221110101010112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 221110101010112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238841939831040).

221110101010112 is an abundant number, since it is smaller than the sum of its proper divisors (256573778651968).

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

221110101010112 is a wasteful number, since it uses less digits than its factorization.

221110101010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46691 (or 46681 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 221110101010112 its reverse (211010101011122), we get a palindrome (432120202021234).

It can be divided in two parts, 2211101010 and 10112, that added together give a palindrome (2211111122).

The spelling of 221110101010112 in words is "two hundred twenty-one trillion, one hundred ten billion, one hundred one million, ten thousand, one hundred twelve".