204122142103 has 16 divisors (see below), whose sum is σ = 234414282240. Its totient is φ = 175787236800.

The previous prime is 204122142101. The next prime is 204122142109. The reversal of 204122142103 is 301241221402.

It is a cyclic number.

It is not a de Polignac number, because 204122142103 - 2¹ = 204122142101 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 (204122142101) 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, 4851051 + ... + 4892947.

It is an arithmetic number, because the mean of its divisors is an integer number (14650892640).

Almost surely, 2^204122142103 is an apocalyptic number.

204122142103 is a deficient number, since it is larger than the sum of its proper divisors (30292140137).

204122142103 is a wasteful number, since it uses less digits than its factorization.

204122142103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65238.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 204122142103 its reverse (301241221402), we get a palindrome (505363363505).

The spelling of 204122142103 in words is "two hundred four billion, one hundred twenty-two million, one hundred forty-two thousand, one hundred three".