2112111425 has 12 divisors (see below), whose sum is σ = 2632736256. Its totient is φ = 1680838800.

The previous prime is 2112111403. The next prime is 2112111461. The reversal of 2112111425 is 5241112112.

It is not a de Polignac number, because 2112111425 - 2⁶ = 2112111361 is a prime.

It is a super-2 number, since 2×2112111425² = 8922029343231061250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2112111397 and 2112111406.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216389 + ... + 225938.

It is an arithmetic number, because the mean of its divisors is an integer number (219394688).

Almost surely, 2^2112111425 is an apocalyptic number.

2112111425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2112111425 is a deficient number, since it is larger than the sum of its proper divisors (520624831).

2112111425 is a wasteful number, since it uses less digits than its factorization.

2112111425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442528 (or 442523 counting only the distinct ones).

The product of its digits is 160, while the sum is 20.

The square root of 2112111425 is about 45957.7134439911. The cubic root of 2112111425 is about 1283.0362947021.

Adding to 2112111425 its reverse (5241112112), we get a palindrome (7353223537).

The spelling of 2112111425 in words is "two billion, one hundred twelve million, one hundred eleven thousand, four hundred twenty-five".