2154111224 has 16 divisors (see below), whose sum is σ = 4115166120. Its totient is φ = 1056733600.

The previous prime is 2154111151. The next prime is 2154111241. The reversal of 2154111224 is 4221114512.

It is a self number, because there is not a number n which added to its sum of digits gives 2154111224.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2539802 + ... + 2540649.

Almost surely, 2^2154111224 is an apocalyptic number.

It is an amenable number.

2154111224 is a deficient number, since it is larger than the sum of its proper divisors (1961054896).

2154111224 is a wasteful number, since it uses less digits than its factorization.

2154111224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5080510 (or 5080506 counting only the distinct ones).

The product of its digits is 640, while the sum is 23.

The square root of 2154111224 is about 46412.4037731294. The cubic root of 2154111224 is about 1291.4850241825.

Adding to 2154111224 its reverse (4221114512), we get a palindrome (6375225736).

The spelling of 2154111224 in words is "two billion, one hundred fifty-four million, one hundred eleven thousand, two hundred twenty-four".