20210120011112 has 16 divisors (see below), whose sum is σ = 38536245784800. Its totient is φ = 9933787801840.

The previous prime is 20210120011087. The next prime is 20210120011117. The reversal of 20210120011112 is 21111002101202.

It is not an unprimeable number, because it can be changed into a prime (20210120011117) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 21409024964 + ... + 21409025907.

It is an arithmetic number, because the mean of its divisors is an integer number (2408515361550).

Almost surely, 2^{20210120011112} is an apocalyptic number.

It is an amenable number.

20210120011112 is a deficient number, since it is larger than the sum of its proper divisors (18326125773688).

20210120011112 is a wasteful number, since it uses less digits than its factorization.

20210120011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42818050936 (or 42818050932 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20210120011112 its reverse (21111002101202), we get a palindrome (41321122112314).

The spelling of 20210120011112 in words is "twenty trillion, two hundred ten billion, one hundred twenty million, eleven thousand, one hundred twelve".