20112201122112 has 112 divisors (see below), whose sum is σ = 64501251134400. Its totient is φ = 6094606394880.

The previous prime is 20112201122089. The next prime is 20112201122179. The reversal of 20112201122112 is 21122110221102.

20112201122112 is a `hidden beast` number, since 201 + 1 + 220 + 11 + 221 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 529026687 + ... + 529064702.

Almost surely, 2^{20112201122112} is an apocalyptic number.

20112201122112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20112201122112 is an abundant number, since it is smaller than the sum of its proper divisors (44389050012288).

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

20112201122112 is a wasteful number, since it uses less digits than its factorization.

20112201122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058091421 (or 1058091405 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 20112201122112 its reverse (21122110221102), we get a palindrome (41234311343214).

The spelling of 20112201122112 in words is "twenty trillion, one hundred twelve billion, two hundred one million, one hundred twenty-two thousand, one hundred twelve".