20110112011 has 16 divisors (see below), whose sum is σ = 22006591488. Its totient is φ = 18225108000.

The previous prime is 20110112003. The next prime is 20110112059. The reversal of 20110112011 is 11021101102.

It is not a de Polignac number, because 20110112011 - 2³ = 20110112003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20110113011) 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, 6620185 + ... + 6623221.

It is an arithmetic number, because the mean of its divisors is an integer number (1375411968).

Almost surely, 2^20110112011 is an apocalyptic number.

20110112011 is a deficient number, since it is larger than the sum of its proper divisors (1896479477).

20110112011 is a wasteful number, since it uses less digits than its factorization.

20110112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4722.

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

Adding to 20110112011 its reverse (11021101102), we get a palindrome (31131213113).

The spelling of 20110112011 in words is "twenty billion, one hundred ten million, one hundred twelve thousand, eleven".