120220021112 has 8 divisors (see below), whose sum is σ = 225412539600. Its totient is φ = 60110010552.

The previous prime is 120220021111. The next prime is 120220021123. The reversal of 120220021112 is 211120022021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120220021111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7513751312 + ... + 7513751327.

It is an arithmetic number, because the mean of its divisors is an integer number (28176567450).

Almost surely, 2^120220021112 is an apocalyptic number.

It is an amenable number.

120220021112 is a deficient number, since it is larger than the sum of its proper divisors (105192518488).

120220021112 is a wasteful number, since it uses less digits than its factorization.

120220021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15027502645 (or 15027502641 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120220021112 its reverse (211120022021), we get a palindrome (331340043133).

Subtracting 120220021112 from its reverse (211120022021), we obtain a palindrome (90900000909).

The spelling of 120220021112 in words is "one hundred twenty billion, two hundred twenty million, twenty-one thousand, one hundred twelve".