2112031043225 has 48 divisors (see below), whose sum is σ = 2719270509120. Its totient is φ = 1626243091200.

The previous prime is 2112031043149. The next prime is 2112031043261. The reversal of 2112031043225 is 5223401302112.

It is not a de Polignac number, because 2112031043225 - 2¹⁰ = 2112031042201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2112031043194 and 2112031043203.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30598202 + ... + 30667148.

It is an arithmetic number, because the mean of its divisors is an integer number (56651468940).

Almost surely, 2^{2112031043225} is an apocalyptic number.

2112031043225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2112031043225 is a deficient number, since it is larger than the sum of its proper divisors (607239465895).

2112031043225 is a wasteful number, since it uses less digits than its factorization.

2112031043225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69450 (or 69445 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 2112031043225 its reverse (5223401302112), we get a palindrome (7335432345337).

The spelling of 2112031043225 in words is "two trillion, one hundred twelve billion, thirty-one million, forty-three thousand, two hundred twenty-five".