20111112121334 has 16 divisors (see below), whose sum is σ = 32489310252672. Its totient is φ = 9281443424448.

The previous prime is 20111112121297. The next prime is 20111112121381. The reversal of 20111112121334 is 43312121111102.

It is a congruent number.

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, 24942359 + ... + 25736034.

It is an arithmetic number, because the mean of its divisors is an integer number (2030581890792).

Almost surely, 2^{20111112121334} is an apocalyptic number.

20111112121334 is a deficient number, since it is larger than the sum of its proper divisors (12378198131338).

20111112121334 is a wasteful number, since it uses less digits than its factorization.

20111112121334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50693671.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 20111112121334 its reverse (43312121111102), we get a palindrome (63423233232436).

The spelling of 20111112121334 in words is "twenty trillion, one hundred eleven billion, one hundred twelve million, one hundred twenty-one thousand, three hundred thirty-four".