204221043213133 has 16 divisors (see below), whose sum is σ = 222172832919744. Its totient is φ = 186933545591040.

The previous prime is 204221043213091. The next prime is 204221043213169. The reversal of 204221043213133 is 331312340122402.

It is not a de Polignac number, because 204221043213133 - 2²⁹ = 204220506342221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204221043213095 and 204221043213104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204221043213233) 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, 67691983 + ... + 70644508.

It is an arithmetic number, because the mean of its divisors is an integer number (13885802057484).

Almost surely, 2^{204221043213133} is an apocalyptic number.

It is an amenable number.

204221043213133 is a deficient number, since it is larger than the sum of its proper divisors (17951789706611).

204221043213133 is a wasteful number, since it uses less digits than its factorization.

204221043213133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138338892.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 204221043213133 its reverse (331312340122402), we get a palindrome (535533383335535).

The spelling of 204221043213133 in words is "two hundred four trillion, two hundred twenty-one billion, forty-three million, two hundred thirteen thousand, one hundred thirty-three".