20110011101112 has 64 divisors (see below), whose sum is σ = 52491383804160. Its totient is φ = 6408161619200.

The previous prime is 20110011101071. The next prime is 20110011101129. The reversal of 20110011101112 is 21110111001102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9634314 + ... + 11534297.

It is an arithmetic number, because the mean of its divisors is an integer number (820177871940).

Almost surely, 2^{20110011101112} is an apocalyptic number.

It is an amenable number.

20110011101112 is an abundant number, since it is smaller than the sum of its proper divisors (32381372703048).

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

20110011101112 is a wasteful number, since it uses less digits than its factorization.

20110011101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21170364 (or 21170360 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 20110011101112 its reverse (21110111001102), we get a palindrome (41220122102214).

It can be divided in two parts, 2011001 and 1101112, that added together give a palindrome (3112113).

The spelling of 20110011101112 in words is "twenty trillion, one hundred ten billion, eleven million, one hundred one thousand, one hundred twelve".