2112020220112 has 160 divisors (see below), whose sum is σ = 4752486535680. Its totient is φ = 898605711360.

The previous prime is 2112020220067. The next prime is 2112020220113. The reversal of 2112020220112 is 2110220202112.

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 (2112020220113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 992023464 + ... + 992025592.

It is an arithmetic number, because the mean of its divisors is an integer number (29703040848).

Almost surely, 2^{2112020220112} is an apocalyptic number.

2112020220112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112020220112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2376243267840).

2112020220112 is an abundant number, since it is smaller than the sum of its proper divisors (2640466315568).

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

2112020220112 is a wasteful number, since it uses less digits than its factorization.

2112020220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3821 (or 3815 counting only the distinct ones).

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

Adding to 2112020220112 its reverse (2110220202112), we get a palindrome (4222240422224).

The spelling of 2112020220112 in words is "two trillion, one hundred twelve billion, twenty million, two hundred twenty thousand, one hundred twelve".