103121204039990 has 32 divisors (see below), whose sum is σ = 187328066571360. Its totient is φ = 40868532198144.

The previous prime is 103121204039947. The next prime is 103121204040007. The reversal of 103121204039990 is 99930402121301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27727682 + ... + 31226058.

It is an arithmetic number, because the mean of its divisors is an integer number (5854002080355).

Almost surely, 2^{103121204039990} is an apocalyptic number.

103121204039990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103121204039990 is a deficient number, since it is larger than the sum of its proper divisors (84206862531370).

103121204039990 is a wasteful number, since it uses less digits than its factorization.

103121204039990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3525536.

The product of its (nonzero) digits is 104976, while the sum is 44.

The spelling of 103121204039990 in words is "one hundred three trillion, one hundred twenty-one billion, two hundred four million, thirty-nine thousand, nine hundred ninety".