2112545211 has 8 divisors (see below), whose sum is σ = 3219116544. Its totient is φ = 1207168680.

The previous prime is 2112545203. The next prime is 2112545219. The reversal of 2112545211 is 1125452112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2112545203) and next prime (2112545219).

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

It is not a de Polignac number, because 2112545211 - 2³ = 2112545203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2112545219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50298675 + ... + 50298716.

It is an arithmetic number, because the mean of its divisors is an integer number (402389568).

Almost surely, 2^2112545211 is an apocalyptic number.

2112545211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2112545211 is a deficient number, since it is larger than the sum of its proper divisors (1106571333).

2112545211 is a wasteful number, since it uses less digits than its factorization.

2112545211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100597401.

The product of its digits is 800, while the sum is 24.

The square root of 2112545211 is about 45962.4326053354. The cubic root of 2112545211 is about 1283.1241254667.

Adding to 2112545211 its reverse (1125452112), we get a palindrome (3237997323).

The spelling of 2112545211 in words is "two billion, one hundred twelve million, five hundred forty-five thousand, two hundred eleven".