20211120112112 has 120 divisors (see below), whose sum is σ = 40109475954240. Its totient is φ = 9865523036160.

The previous prime is 20211120112087. The next prime is 20211120112159. The reversal of 20211120112112 is 21121102111202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7566872537 + ... + 7566875207.

It is an arithmetic number, because the mean of its divisors is an integer number (334245632952).

Almost surely, 2^{20211120112112} is an apocalyptic number.

It is an amenable number.

20211120112112 is a deficient number, since it is larger than the sum of its proper divisors (19898355842128).

20211120112112 is a wasteful number, since it uses less digits than its factorization.

20211120112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3719 (or 3646 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 20211120112112 its reverse (21121102111202), we get a palindrome (41332222223314).

The spelling of 20211120112112 in words is "twenty trillion, two hundred eleven billion, one hundred twenty million, one hundred twelve thousand, one hundred twelve".