112222021121012 has 36 divisors (see below), whose sum is σ = 221376010530528. Its totient is φ = 49364525401200.

The previous prime is 112222021120871. The next prime is 112222021121017. The reversal of 112222021121012 is 210121120222211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112222021121017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1326961088 + ... + 1327045655.

It is an arithmetic number, because the mean of its divisors is an integer number (6149333625848).

Almost surely, 2^{112222021121012} is an apocalyptic number.

It is an amenable number.

112222021121012 is a deficient number, since it is larger than the sum of its proper divisors (109153989409516).

112222021121012 is a wasteful number, since it uses less digits than its factorization.

112222021121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654006820 (or 2654006787 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 112222021121012 its reverse (210121120222211), we get a palindrome (322343141343223).

The spelling of 112222021121012 in words is "one hundred twelve trillion, two hundred twenty-two billion, twenty-one million, one hundred twenty-one thousand, twelve".