2043013221 has 12 divisors (see below), whose sum is σ = 2951833248. Its totient is φ = 1361633064.

The previous prime is 2043013187. The next prime is 2043013229. The reversal of 2043013221 is 1223103402.

2043013221 is a `hidden beast` number, since 2 + 0 + 430 + 13 + 221 = 666.

It is not a de Polignac number, because 2043013221 - 2¹⁹ = 2042488933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2043013194 and 2043013203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043013229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5386 + ... + 64148.

It is an arithmetic number, because the mean of its divisors is an integer number (245986104).

Almost surely, 2^2043013221 is an apocalyptic number.

It is an amenable number.

2043013221 is a deficient number, since it is larger than the sum of its proper divisors (908820027).

2043013221 is a wasteful number, since it uses less digits than its factorization.

2043013221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62632 (or 62629 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2043013221 is about 45199.7037711532. The cubic root of 2043013221 is about 1268.8892723071.

Adding to 2043013221 its reverse (1223103402), we get a palindrome (3266116623).

The spelling of 2043013221 in words is "two billion, forty-three million, thirteen thousand, two hundred twenty-one".