20111101111110 has 32 divisors (see below), whose sum is σ = 48635090330112. Its totient is φ = 5322021667040.

The previous prime is 20111101111091. The next prime is 20111101111111. The reversal of 20111101111110 is 1111110111102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20111101111111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2558660334 + ... + 2558668193.

It is an arithmetic number, because the mean of its divisors is an integer number (1519846572816).

Almost surely, 2^{20111101111110} is an apocalyptic number.

20111101111110 is an abundant number, since it is smaller than the sum of its proper divisors (28523989219002).

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

20111101111110 is a wasteful number, since it uses less digits than its factorization.

20111101111110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5117328668.

The product of its (nonzero) digits is 2, while the sum is 12.

Adding to 20111101111110 its reverse (1111110111102), we get a palindrome (21222211222212).

The spelling of 20111101111110 in words is "twenty trillion, one hundred eleven billion, one hundred one million, one hundred eleven thousand, one hundred ten".