4661221203 has 12 divisors (see below), whose sum is σ = 6735549600. Its totient is φ = 3106246416.

The previous prime is 4661221141. The next prime is 4661221207. The reversal of 4661221203 is 3021221664.

4661221203 is a `hidden beast` number, since 4 + 6 + 612 + 21 + 20 + 3 = 666.

It is not a de Polignac number, because 4661221203 - 2⁶ = 4661221139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4661221207) 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, 78651 + ... + 124532.

It is an arithmetic number, because the mean of its divisors is an integer number (561295800).

Almost surely, 2^4661221203 is an apocalyptic number.

4661221203 is a deficient number, since it is larger than the sum of its proper divisors (2074328397).

4661221203 is a wasteful number, since it uses less digits than its factorization.

4661221203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205738 (or 205735 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 4661221203 is about 68273.1367596363. The cubic root of 4661221203 is about 1670.4490650550.

Adding to 4661221203 its reverse (3021221664), we get a palindrome (7682442867).

The spelling of 4661221203 in words is "four billion, six hundred sixty-one million, two hundred twenty-one thousand, two hundred three".