103121210020004 has 72 divisors (see below), whose sum is σ = 211915550659680. Its totient is φ = 43743482386560.

The previous prime is 103121210019991. The next prime is 103121210020021. The reversal of 103121210020004 is 400020012121301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83068217 + ... + 84300480.

It is an arithmetic number, because the mean of its divisors is an integer number (2943271536940).

Almost surely, 2^{103121210020004} is an apocalyptic number.

It is an amenable number.

103121210020004 is an abundant number, since it is smaller than the sum of its proper divisors (108794340639676).

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

103121210020004 is a wasteful number, since it uses less digits than its factorization.

103121210020004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167368809 (or 167368796 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 103121210020004 its reverse (400020012121301), we get a palindrome (503141222141305).

The spelling of 103121210020004 in words is "one hundred three trillion, one hundred twenty-one billion, two hundred ten million, twenty thousand, four".