204010163111 has 4 divisors (see below), whose sum is σ = 204013438032. Its totient is φ = 204006888192.

The previous prime is 204010163107. The next prime is 204010163153. The reversal of 204010163111 is 111361010402.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111361010402 = 2 ⋅55680505201.

It is a cyclic number.

It is not a de Polignac number, because 204010163111 - 2² = 204010163107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204010123111) 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, 1542170 + ... + 1669223.

It is an arithmetic number, because the mean of its divisors is an integer number (51003359508).

Almost surely, 2^204010163111 is an apocalyptic number.

204010163111 is a deficient number, since it is larger than the sum of its proper divisors (3274921).

204010163111 is an equidigital number, since it uses as much as digits as its factorization.

204010163111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3274920.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 204010163111 its reverse (111361010402), we get a palindrome (315371173513).

The spelling of 204010163111 in words is "two hundred four billion, ten million, one hundred sixty-three thousand, one hundred eleven".