2102020002112 has 28 divisors (see below), whose sum is σ = 4223995900480. Its totient is φ = 1037706074496.

The previous prime is 2102020002097. The next prime is 2102020002113. The reversal of 2102020002112 is 2112000202012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2102020002092 and 2102020002101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102020002113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207868758 + ... + 207878869.

Almost surely, 2^{2102020002112} is an apocalyptic number.

It is an amenable number.

2102020002112 is an abundant number, since it is smaller than the sum of its proper divisors (2121975898368).

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

2102020002112 is an equidigital number, since it uses as much as digits as its factorization.

2102020002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415747718 (or 415747708 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2102020002112 its reverse (2112000202012), we get a palindrome (4214020204124).

The spelling of 2102020002112 in words is "two trillion, one hundred two billion, twenty million, two thousand, one hundred twelve".