2112503311 has 4 divisors (see below), whose sum is σ = 2164027824. Its totient is φ = 2060978800.

The previous prime is 2112503303. The next prime is 2112503329. The reversal of 2112503311 is 1133052112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2112503311 - 2³ = 2112503303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112503381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25762195 + ... + 25762276.

It is an arithmetic number, because the mean of its divisors is an integer number (541006956).

Almost surely, 2^2112503311 is an apocalyptic number.

2112503311 is a deficient number, since it is larger than the sum of its proper divisors (51524513).

2112503311 is an equidigital number, since it uses as much as digits as its factorization.

2112503311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51524512.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 2112503311 is about 45961.9767960431. The cubic root of 2112503311 is about 1283.1156422942.

Adding to 2112503311 its reverse (1133052112), we get a palindrome (3245555423).

The spelling of 2112503311 in words is "two billion, one hundred twelve million, five hundred three thousand, three hundred eleven".