2112003013122 has 24 divisors (see below), whose sum is σ = 4621313527740. Its totient is φ = 697030696800.

The previous prime is 2112003013121. The next prime is 2112003013123. The reversal of 2112003013122 is 2213103002112.

It is an interprime number because it is at equal distance from previous prime (2112003013121) and next prime (2112003013123).

It can be written as a sum of positive squares in 2 ways, for example, as 1941482743641 + 170520269481 = 1393371^2 + 412941^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2112003013095 and 2112003013104.

It is not an unprimeable number, because it can be changed into a prime (2112003013121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 580857097 + ... + 580860732.

Almost surely, 2^{2112003013122} is an apocalyptic number.

2112003013122 is an abundant number, since it is smaller than the sum of its proper divisors (2509310514618).

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

2112003013122 is a wasteful number, since it uses less digits than its factorization.

2112003013122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161717938 (or 1161717935 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2112003013122 its reverse (2213103002112), we get a palindrome (4325106015234).

The spelling of 2112003013122 in words is "two trillion, one hundred twelve billion, three million, thirteen thousand, one hundred twenty-two".