221110012012112 has 20 divisors (see below), whose sum is σ = 431237738664096. Its totient is φ = 109822853647200.

The previous prime is 221110012012091. The next prime is 221110012012129. The reversal of 221110012012112 is 211210210011122.

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 3 ways as a sum of consecutive naturals, for example, 45759519938 + ... + 45759524769.

Almost surely, 2^{221110012012112} is an apocalyptic number.

It is an amenable number.

221110012012112 is a deficient number, since it is larger than the sum of its proper divisors (210127726651984).

221110012012112 is a wasteful number, since it uses less digits than its factorization.

221110012012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91519044866 (or 91519044860 counting only the distinct ones).

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

Adding to 221110012012112 its reverse (211210210011122), we get a palindrome (432320222023234).

The spelling of 221110012012112 in words is "two hundred twenty-one trillion, one hundred ten billion, twelve million, twelve thousand, one hundred twelve".