103001021320021 has 16 divisors (see below), whose sum is σ = 112388436731520. Its totient is φ = 93617555719680.

The previous prime is 103001021320013. The next prime is 103001021320061. The reversal of 103001021320021 is 120023120100301.

It is a cyclic number.

It is not a de Polignac number, because 103001021320021 - 2³ = 103001021320013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103001021319977 and 103001021320004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103001021320061) 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, 1238293785 + ... + 1238376961.

It is an arithmetic number, because the mean of its divisors is an integer number (7024277295720).

Almost surely, 2^{103001021320021} is an apocalyptic number.

103001021320021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103001021320021 is a deficient number, since it is larger than the sum of its proper divisors (9387415411499).

103001021320021 is a wasteful number, since it uses less digits than its factorization.

103001021320021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105564.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 103001021320021 its reverse (120023120100301), we get a palindrome (223024141420322).

The spelling of 103001021320021 in words is "one hundred three trillion, one billion, twenty-one million, three hundred twenty thousand, twenty-one".