203121032103002 has 16 divisors (see below), whose sum is σ = 333679922362080. Its totient is φ = 92159216650992.

The previous prime is 203121032103001. The next prime is 203121032103169. The reversal of 203121032103002 is 200301230121302.

It is not an unprimeable number, because it can be changed into a prime (203121032103001) 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, 66206332268 + ... + 66206335335.

It is an arithmetic number, because the mean of its divisors is an integer number (20854995147630).

Almost surely, 2^{203121032103002} is an apocalyptic number.

203121032103002 is a deficient number, since it is larger than the sum of its proper divisors (130558890259078).

203121032103002 is a wasteful number, since it uses less digits than its factorization.

203121032103002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132412667677.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 203121032103002 its reverse (200301230121302), we get a palindrome (403422262224304).

The spelling of 203121032103002 in words is "two hundred three trillion, one hundred twenty-one billion, thirty-two million, one hundred three thousand, two".