120102121221112 has 32 divisors (see below), whose sum is σ = 225972168115680. Its totient is φ = 59842898377600.

The previous prime is 120102121221079. The next prime is 120102121221163. The reversal of 120102121221112 is 211122121201021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 120102121221112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42639237 + ... + 45368587.

It is an arithmetic number, because the mean of its divisors is an integer number (7061630253615).

Almost surely, 2^{120102121221112} is an apocalyptic number.

It is an amenable number.

120102121221112 is a deficient number, since it is larger than the sum of its proper divisors (105870046894568).

120102121221112 is a wasteful number, since it uses less digits than its factorization.

120102121221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748423 (or 2748419 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 120102121221112 its reverse (211122121201021), we get a palindrome (331224242422133).

The spelling of 120102121221112 in words is "one hundred twenty trillion, one hundred two billion, one hundred twenty-one million, two hundred twenty-one thousand, one hundred twelve".