20111201022112 has 12 divisors (see below), whose sum is σ = 39593927012346. Its totient is φ = 10055600511040.

The previous prime is 20111201022109. The next prime is 20111201022173. The reversal of 20111201022112 is 21122010211102.

It can be written as a sum of positive squares in only one way, i.e., 10432357367056 + 9678843655056 = 3229916^2 + 3111084^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

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 as a sum of consecutive naturals, namely, 314237515939 + ... + 314237516002.

Almost surely, 2^{20111201022112} is an apocalyptic number.

It is an amenable number.

20111201022112 is a deficient number, since it is larger than the sum of its proper divisors (19482725990234).

20111201022112 is an equidigital number, since it uses as much as digits as its factorization.

20111201022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628475031951 (or 628475031943 counting only the distinct ones).

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

Adding to 20111201022112 its reverse (21122010211102), we get a palindrome (41233211233214).

The spelling of 20111201022112 in words is "twenty trillion, one hundred eleven billion, two hundred one million, twenty-two thousand, one hundred twelve".