221100101110012 has 12 divisors (see below), whose sum is σ = 386992927845216. Its totient is φ = 110530693154240.

The previous prime is 221100101109997. The next prime is 221100101110019. The reversal of 221100101110012 is 210011101001122.

It is a happy number.

221100101110012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 221100101109974 and 221100101110001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221100101110019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4839324493 + ... + 4839370180.

It is an arithmetic number, because the mean of its divisors is an integer number (32249410653768).

Almost surely, 2^{221100101110012} is an apocalyptic number.

It is an amenable number.

221100101110012 is a deficient number, since it is larger than the sum of its proper divisors (165892826735204).

221100101110012 is a wasteful number, since it uses less digits than its factorization.

221100101110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9678700388 (or 9678700386 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 221100101110012 its reverse (210011101001122), we get a palindrome (431111202111134).

The spelling of 221100101110012 in words is "two hundred twenty-one trillion, one hundred billion, one hundred one million, one hundred ten thousand, twelve".