2221388212603 has 8 divisors (see below), whose sum is σ = 2688066408672. Its totient is φ = 1792044272256.

The previous prime is 2221388212597. The next prime is 2221388212651. The reversal of 2221388212603 is 3062128831222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2221388212603 - 2¹³ = 2221388204411 is a prime.

It is a super-2 number, since 2×2221388212603² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221388312603) 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 7 ways as a sum of consecutive naturals, for example, 9333563800 + ... + 9333564037.

It is an arithmetic number, because the mean of its divisors is an integer number (336008301084).

Almost surely, 2^{2221388212603} is an apocalyptic number.

2221388212603 is a deficient number, since it is larger than the sum of its proper divisors (466678196069).

2221388212603 is a wasteful number, since it uses less digits than its factorization.

2221388212603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18667127861.

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 2221388212603 in words is "two trillion, two hundred twenty-one billion, three hundred eighty-eight million, two hundred twelve thousand, six hundred three".