2221120120203 has 48 divisors (see below), whose sum is σ = 3301365989376. Its totient is φ = 1437943752000.

The previous prime is 2221120120201. The next prime is 2221120120237. The reversal of 2221120120203 is 3020210211222.

2221120120203 is a `hidden beast` number, since 2 + 221 + 120 + 120 + 203 = 666.

It is not a de Polignac number, because 2221120120203 - 2¹ = 2221120120201 is a prime.

It is a super-2 number, since 2×2221120120203² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2221120120201) 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 47 ways as a sum of consecutive naturals, for example, 619903350 + ... + 619906932.

It is an arithmetic number, because the mean of its divisors is an integer number (68778458112).

Almost surely, 2^{2221120120203} is an apocalyptic number.

2221120120203 is a deficient number, since it is larger than the sum of its proper divisors (1080245869173).

2221120120203 is a wasteful number, since it uses less digits than its factorization.

2221120120203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6704 (or 6701 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2221120120203 its reverse (3020210211222), we get a palindrome (5241330331425).

The spelling of 2221120120203 in words is "two trillion, two hundred twenty-one billion, one hundred twenty million, one hundred twenty thousand, two hundred three".