2111250144 has 24 divisors (see below), whose sum is σ = 5542031880. Its totient is φ = 703750016.

The previous prime is 2111250143. The next prime is 2111250149. The reversal of 2111250144 is 4410521112.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-4 number, since 4×2111250144⁴ (a number of 38 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2111250144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111250143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10995999 + ... + 10996190.

It is an arithmetic number, because the mean of its divisors is an integer number (230917995).

Almost surely, 2^2111250144 is an apocalyptic number.

2111250144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2111250144 is an abundant number, since it is smaller than the sum of its proper divisors (3430781736).

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

2111250144 is a wasteful number, since it uses less digits than its factorization.

2111250144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21992202 (or 21992194 counting only the distinct ones).

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

The square root of 2111250144 is about 45948.3421246077. The cubic root of 2111250144 is about 1282.8618712932.

Adding to 2111250144 its reverse (4410521112), we get a palindrome (6521771256).

The spelling of 2111250144 in words is "two billion, one hundred eleven million, two hundred fifty thousand, one hundred forty-four".