20110220220112 has 40 divisors (see below), whose sum is σ = 42544796815872. Its totient is φ = 9132599712000.

The previous prime is 20110220220067. The next prime is 20110220220113. The reversal of 20110220220112 is 21102202201102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110220220113) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 52367389 + ... + 52750012.

Almost surely, 2^{20110220220112} is an apocalyptic number.

20110220220112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20110220220112 is an abundant number, since it is smaller than the sum of its proper divisors (22434576595760).

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

20110220220112 is a wasteful number, since it uses less digits than its factorization.

20110220220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105118507 (or 105118501 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20110220220112 its reverse (21102202201102), we get a palindrome (41212422421214).

The spelling of 20110220220112 in words is "twenty trillion, one hundred ten billion, two hundred twenty million, two hundred twenty thousand, one hundred twelve".