103313210021021 has 32 divisors (see below), whose sum is σ = 138715136974848. Its totient is φ = 74310719509440.

The previous prime is 103313210021011. The next prime is 103313210021069. The reversal of 103313210021021 is 120120012313301.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 103313210021021 - 2⁶ = 103313210020957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103313210020984 and 103313210021002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103313210021011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243518546 + ... + 243942428.

It is an arithmetic number, because the mean of its divisors is an integer number (4334848030464).

Almost surely, 2^{103313210021021} is an apocalyptic number.

103313210021021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103313210021021 is a deficient number, since it is larger than the sum of its proper divisors (35401926953827).

103313210021021 is a wasteful number, since it uses less digits than its factorization.

103313210021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667401.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 103313210021021 its reverse (120120012313301), we get a palindrome (223433222334322).

The spelling of 103313210021021 in words is "one hundred three trillion, three hundred thirteen billion, two hundred ten million, twenty-one thousand, twenty-one".