103121020121304 has 32 divisors (see below), whose sum is σ = 257849932094640. Its totient is φ = 34367355801600.

The previous prime is 103121020121257. The next prime is 103121020121323. The reversal of 103121020121304 is 403121020121301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394714957 + ... + 394976124.

Almost surely, 2^{103121020121304} is an apocalyptic number.

It is an amenable number.

103121020121304 is an abundant number, since it is smaller than the sum of its proper divisors (154728911973336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103121020121304 is a wasteful number, since it uses less digits than its factorization.

103121020121304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789696531 (or 789696527 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 103121020121304 its reverse (403121020121301), we get a palindrome (506242040242605).

The spelling of 103121020121304 in words is "one hundred three trillion, one hundred twenty-one billion, twenty million, one hundred twenty-one thousand, three hundred four".