203110104021 has 48 divisors (see below), whose sum is σ = 302357399232. Its totient is φ = 121169917440.

The previous prime is 203110103983. The next prime is 203110104023. The reversal of 203110104021 is 120401011302.

It is not a de Polignac number, because 203110104021 - 2¹⁴ = 203110087637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203110104023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8333565 + ... + 8357901.

It is an arithmetic number, because the mean of its divisors is an integer number (6299112484).

Almost surely, 2^203110104021 is an apocalyptic number.

It is an amenable number.

203110104021 is a deficient number, since it is larger than the sum of its proper divisors (99247295211).

203110104021 is a wasteful number, since it uses less digits than its factorization.

203110104021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24722 (or 24711 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 203110104021 its reverse (120401011302), we get a palindrome (323511115323).

The spelling of 203110104021 in words is "two hundred three billion, one hundred ten million, one hundred four thousand, twenty-one".