2111212124 has 24 divisors (see below), whose sum is σ = 4232245248. Its totient is φ = 902700720.

The previous prime is 2111212097. The next prime is 2111212157. The reversal of 2111212124 is 4212121112.

It is a nude number because it is divisible by every one of its digits.

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, 75404 + ... + 99539.

It is an arithmetic number, because the mean of its divisors is an integer number (176343552).

Almost surely, 2^2111212124 is an apocalyptic number.

It is an amenable number.

2111212124 is an abundant number, since it is smaller than the sum of its proper divisors (2121033124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2111212124 is a wasteful number, since it uses less digits than its factorization.

2111212124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175385 (or 175383 counting only the distinct ones).

The product of its digits is 64, while the sum is 17.

The square root of 2111212124 is about 45947.9283972629. The cubic root of 2111212124 is about 1282.8541705318.

Adding to 2111212124 its reverse (4212121112), we get a palindrome (6323333236).

The spelling of 2111212124 in words is "two billion, one hundred eleven million, two hundred twelve thousand, one hundred twenty-four".