103003911921 has 16 divisors (see below), whose sum is σ = 139008663360. Its totient is φ = 67834401600.

The previous prime is 103003911917. The next prime is 103003911949. The reversal of 103003911921 is 129119300301.

It is a happy number.

It is not a de Polignac number, because 103003911921 - 2² = 103003911917 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103003911911) 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, 3046135 + ... + 3079763.

It is an arithmetic number, because the mean of its divisors is an integer number (8688041460).

Almost surely, 2^103003911921 is an apocalyptic number.

It is an amenable number.

103003911921 is a deficient number, since it is larger than the sum of its proper divisors (36004751439).

103003911921 is a wasteful number, since it uses less digits than its factorization.

103003911921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46016.

The product of its (nonzero) digits is 1458, while the sum is 30.

The spelling of 103003911921 in words is "one hundred three billion, three million, nine hundred eleven thousand, nine hundred twenty-one".