204221053311 has 8 divisors (see below), whose sum is σ = 297048804864. Its totient is φ = 123770335320.

The previous prime is 204221053307. The next prime is 204221053331. The reversal of 204221053311 is 113350122402.

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

It is not a de Polignac number, because 204221053311 - 2² = 204221053307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204221053331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3094258351 + ... + 3094258416.

It is an arithmetic number, because the mean of its divisors is an integer number (37131100608).

Almost surely, 2^204221053311 is an apocalyptic number.

204221053311 is a deficient number, since it is larger than the sum of its proper divisors (92827751553).

204221053311 is a wasteful number, since it uses less digits than its factorization.

204221053311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6188516781.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 204221053311 its reverse (113350122402), we get a palindrome (317571175713).

The spelling of 204221053311 in words is "two hundred four billion, two hundred twenty-one million, fifty-three thousand, three hundred eleven".