20111101100012 has 24 divisors (see below), whose sum is σ = 39208645383600. Its totient is φ = 8961976086336.

The previous prime is 20111101100009. The next prime is 20111101100033. The reversal of 20111101100012 is 21000110111102.

It is a junction number, because it is equal to n+sod(n) for n = 20111101099966 and 20111101100002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6668135462 + ... + 6668138477.

It is an arithmetic number, because the mean of its divisors is an integer number (1633693557650).

Almost surely, 2^{20111101100012} is an apocalyptic number.

It is an amenable number.

20111101100012 is a deficient number, since it is larger than the sum of its proper divisors (19097544283588).

20111101100012 is a wasteful number, since it uses less digits than its factorization.

20111101100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13336273985 (or 13336273983 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 20111101100012 its reverse (21000110111102), we get a palindrome (41111211211114).

The spelling of 20111101100012 in words is "twenty trillion, one hundred eleven billion, one hundred one million, one hundred thousand, twelve".