203241323452121 has 16 divisors (see below), whose sum is σ = 219392010950400. Its totient is φ = 187700210795328.

The previous prime is 203241323452093. The next prime is 203241323452133. The reversal of 203241323452121 is 121254323142302.

It is a cyclic number.

It is not a de Polignac number, because 203241323452121 - 2⁴² = 198843276941017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203241323452021) 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, 161614055 + ... + 162866771.

It is an arithmetic number, because the mean of its divisors is an integer number (13712000684400).

Almost surely, 2^{203241323452121} is an apocalyptic number.

It is an amenable number.

203241323452121 is a deficient number, since it is larger than the sum of its proper divisors (16150687498279).

203241323452121 is a wasteful number, since it uses less digits than its factorization.

203241323452121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496008.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 203241323452121 its reverse (121254323142302), we get a palindrome (324495646594423).

The spelling of 203241323452121 in words is "two hundred three trillion, two hundred forty-one billion, three hundred twenty-three million, four hundred fifty-two thousand, one hundred twenty-one".