20011110112 has 24 divisors (see below), whose sum is σ = 45024998256. Its totient is φ = 8576189952.

The previous prime is 20011110109. The next prime is 20011110113. The reversal of 20011110112 is 21101111002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011110113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44667433 + ... + 44667880.

It is an arithmetic number, because the mean of its divisors is an integer number (1876041594).

Almost surely, 2^20011110112 is an apocalyptic number.

It is an amenable number.

20011110112 is an abundant number, since it is smaller than the sum of its proper divisors (25013888144).

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

20011110112 is an equidigital number, since it uses as much as digits as its factorization.

20011110112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89335330 (or 89335322 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20011110112 its reverse (21101111002), we get a palindrome (41112221114).

The spelling of 20011110112 in words is "twenty billion, eleven million, one hundred ten thousand, one hundred twelve".