20020120101112 has 8 divisors (see below), whose sum is σ = 37537725189600. Its totient is φ = 10010060050552.

The previous prime is 20020120101089. The next prime is 20020120101119. The reversal of 20020120101112 is 21110102102002.

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

It is a junction number, because it is equal to n+sod(n) for n = 20020120101092 and 20020120101101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020120101119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1251257506312 + ... + 1251257506327.

It is an arithmetic number, because the mean of its divisors is an integer number (4692215648700).

Almost surely, 2^{20020120101112} is an apocalyptic number.

It is an amenable number.

20020120101112 is a deficient number, since it is larger than the sum of its proper divisors (17517605088488).

20020120101112 is a wasteful number, since it uses less digits than its factorization.

20020120101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502515012645 (or 2502515012641 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20020120101112 its reverse (21110102102002), we get a palindrome (41130222203114).

The spelling of 20020120101112 in words is "twenty trillion, twenty billion, one hundred twenty million, one hundred one thousand, one hundred twelve".