2221201020203 has 16 divisors (see below), whose sum is σ = 2501966376960. Its totient is φ = 1953610358400.

The previous prime is 2221201020179. The next prime is 2221201020263. The reversal of 2221201020203 is 3020201021222.

It is a cyclic number.

It is not a de Polignac number, because 2221201020203 - 2¹⁰ = 2221201019179 is a prime.

It is a super-2 number, since 2×2221201020203² (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 (2221201020263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397043 + ... + 2144771.

It is an arithmetic number, because the mean of its divisors is an integer number (156372898560).

Almost surely, 2^{2221201020203} is an apocalyptic number.

2221201020203 is a deficient number, since it is larger than the sum of its proper divisors (280765356757).

2221201020203 is a wasteful number, since it uses less digits than its factorization.

2221201020203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751498.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 2221201020203 its reverse (3020201021222), we get a palindrome (5241402041425).

The spelling of 2221201020203 in words is "two trillion, two hundred twenty-one billion, two hundred one million, twenty thousand, two hundred three".