2201303011221 has 12 divisors (see below), whose sum is σ = 3179784748972. Its totient is φ = 1467477720576.

The previous prime is 2201303011183. The next prime is 2201303011247. The reversal of 2201303011221 is 1221103031022.

2201303011221 is a `hidden beast` number, since 220 + 130 + 301 + 12 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1088921468196 + 1112381543025 = 1043514^2 + 1054695^2 .

It is not a de Polignac number, because 2201303011221 - 2¹⁸ = 2201302749077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2201303011194 and 2201303011203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201303011321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4559086 + ... + 5018751.

Almost surely, 2^{2201303011221} is an apocalyptic number.

It is an amenable number.

2201303011221 is a deficient number, since it is larger than the sum of its proper divisors (978481737751).

2201303011221 is a wasteful number, since it uses less digits than its factorization.

2201303011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9603380 (or 9603377 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2201303011221 its reverse (1221103031022), we get a palindrome (3422406042243).

The spelling of 2201303011221 in words is "two trillion, two hundred one billion, three hundred three million, eleven thousand, two hundred twenty-one".