20201122011112 has 32 divisors (see below), whose sum is σ = 43449041001600. Its totient is φ = 8625439237824.

The previous prime is 20201122011011. The next prime is 20201122011113. The reversal of 20201122011112 is 21111022110202.

It is not an unprimeable number, because it can be changed into a prime (20201122011113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670494828 + ... + 670524955.

It is an arithmetic number, because the mean of its divisors is an integer number (1357782531300).

Almost surely, 2^{20201122011112} is an apocalyptic number.

It is an amenable number.

20201122011112 is an abundant number, since it is smaller than the sum of its proper divisors (23247918990488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20201122011112 is a wasteful number, since it uses less digits than its factorization.

20201122011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341020065 (or 1341020061 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20201122011112 its reverse (21111022110202), we get a palindrome (41312144121314).

The spelling of 20201122011112 in words is "twenty trillion, two hundred one billion, one hundred twenty-two million, eleven thousand, one hundred twelve".