20211120112 has 20 divisors (see below), whose sum is σ = 39162533616. Its totient is φ = 10104659840.

The previous prime is 20211120091. The next prime is 20211120113. The reversal of 20211120112 is 21102111202.

It is a junction number, because it is equal to n+sod(n) for n = 20211120092 and 20211120101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211120113) 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 in 3 ways as a sum of consecutive naturals, for example, 152412 + ... + 252292.

Almost surely, 2^20211120112 is an apocalyptic number.

It is an amenable number.

20211120112 is a deficient number, since it is larger than the sum of its proper divisors (18951413504).

20211120112 is a wasteful number, since it uses less digits than its factorization.

20211120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112536 (or 112530 counting only the distinct ones).

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

Adding to 20211120112 its reverse (21102111202), we get a palindrome (41313231314).

The spelling of 20211120112 in words is "twenty billion, two hundred eleven million, one hundred twenty thousand, one hundred twelve".