2112112245 has 8 divisors (see below), whose sum is σ = 3379379616. Its totient is φ = 1126459856.

The previous prime is 2112112237. The next prime is 2112112259. The reversal of 2112112245 is 5422112112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2112112245 - 2³ = 2112112237 is a prime.

It is a super-2 number, since 2×2112112245² = 8922036270957880050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70403727 + ... + 70403756.

It is an arithmetic number, because the mean of its divisors is an integer number (422422452).

Almost surely, 2^2112112245 is an apocalyptic number.

It is an amenable number.

2112112245 is a deficient number, since it is larger than the sum of its proper divisors (1267267371).

2112112245 is a wasteful number, since it uses less digits than its factorization.

2112112245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140807491.

The product of its digits is 320, while the sum is 21.

The square root of 2112112245 is about 45957.7223652348. The cubic root of 2112112245 is about 1283.0364607428.

Adding to 2112112245 its reverse (5422112112), we get a palindrome (7534224357).

The spelling of 2112112245 in words is "two billion, one hundred twelve million, one hundred twelve thousand, two hundred forty-five".