20112010110111 has 8 divisors (see below), whose sum is σ = 27681046173184. Its totient is φ = 12975490393560.

The previous prime is 20112010110109. The next prime is 20112010110121. The reversal of 20112010110111 is 11101101021102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20112010110111 - 2¹ = 20112010110109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112010110121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108129086521 + ... + 108129086706.

It is an arithmetic number, because the mean of its divisors is an integer number (3460130771648).

Almost surely, 2^{20112010110111} is an apocalyptic number.

20112010110111 is a deficient number, since it is larger than the sum of its proper divisors (7569036063073).

20112010110111 is a wasteful number, since it uses less digits than its factorization.

20112010110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216258173261.

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

Adding to 20112010110111 its reverse (11101101021102), we get a palindrome (31213111131213).

The spelling of 20112010110111 in words is "twenty trillion, one hundred twelve billion, ten million, one hundred ten thousand, one hundred eleven".