12101221021112 has 8 divisors (see below), whose sum is σ = 22689789414600. Its totient is φ = 6050610510552.

The previous prime is 12101221021049. The next prime is 12101221021133. The reversal of 12101221021112 is 21112012210121.

12101221021112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756326313812 + ... + 756326313827.

It is an arithmetic number, because the mean of its divisors is an integer number (2836223676825).

Almost surely, 2^{12101221021112} is an apocalyptic number.

It is an amenable number.

12101221021112 is a deficient number, since it is larger than the sum of its proper divisors (10588568393488).

12101221021112 is a wasteful number, since it uses less digits than its factorization.

12101221021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512652627645 (or 1512652627641 counting only the distinct ones).

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

Adding to 12101221021112 its reverse (21112012210121), we get a palindrome (33213233231233).

The spelling of 12101221021112 in words is "twelve trillion, one hundred one billion, two hundred twenty-one million, twenty-one thousand, one hundred twelve".