30221203210133 has 4 divisors (see below), whose sum is σ = 32545911149388. Its totient is φ = 27896495270880.

The previous prime is 30221203210097. The next prime is 30221203210139. The reversal of 30221203210133 is 33101230212203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8903193727684 + 21318009482449 = 2983822^2 + 4617143^2 .

It is a cyclic number.

It is not a de Polignac number, because 30221203210133 - 2²⁸ = 30220934774677 is a prime.

It is a super-2 number, since 2×30221203210133² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30221203210099 and 30221203210108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221203210139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1162353969608 + ... + 1162353969633.

It is an arithmetic number, because the mean of its divisors is an integer number (8136477787347).

Almost surely, 2^{30221203210133} is an apocalyptic number.

It is an amenable number.

30221203210133 is a deficient number, since it is larger than the sum of its proper divisors (2324707939255).

30221203210133 is a wasteful number, since it uses less digits than its factorization.

30221203210133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324707939254.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 30221203210133 its reverse (33101230212203), we get a palindrome (63322433422336).

The spelling of 30221203210133 in words is "thirty trillion, two hundred twenty-one billion, two hundred three million, two hundred ten thousand, one hundred thirty-three".