221110436178112 has 224 divisors, whose sum is σ = 480292147059200. Its totient is φ = 100389976473600.

The previous prime is 221110436178101. The next prime is 221110436178127. The reversal of 221110436178112 is 211871634011122.

It is a happy number.

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, 5208582487 + ... + 5208624937.

It is an arithmetic number, because the mean of its divisors is an integer number (2144161370800).

Almost surely, 2^{221110436178112} 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 221110436178112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240146073529600).

221110436178112 is an abundant number, since it is smaller than the sum of its proper divisors (259181710881088).

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

221110436178112 is a wasteful number, since it uses less digits than its factorization.

221110436178112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43031 (or 43021 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 40.

The spelling of 221110436178112 in words is "two hundred twenty-one trillion, one hundred ten billion, four hundred thirty-six million, one hundred seventy-eight thousand, one hundred twelve".