20112110055 has 48 divisors (see below), whose sum is σ = 36170709120. Its totient is φ = 10720950048.

The previous prime is 20112110023. The next prime is 20112110059. The reversal of 20112110055 is 55001121102.

It is not a de Polignac number, because 20112110055 - 2⁵ = 20112110023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112110059) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3665344 + ... + 3670826.

It is an arithmetic number, because the mean of its divisors is an integer number (753556440).

Almost surely, 2^20112110055 is an apocalyptic number.

20112110055 is a deficient number, since it is larger than the sum of its proper divisors (16058599065).

20112110055 is an equidigital number, since it uses as much as digits as its factorization.

20112110055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8522 (or 8510 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

Adding to 20112110055 its reverse (55001121102), we get a palindrome (75113231157).

The spelling of 20112110055 in words is "twenty billion, one hundred twelve million, one hundred ten thousand, fifty-five".