103323101003021 has 4 divisors (see below), whose sum is σ = 103649041385052. Its totient is φ = 102997160620992.

The previous prime is 103323101003011. The next prime is 103323101003047. The reversal of 103323101003021 is 120300101323301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10605248164900 + 92717852838121 = 3256570^2 + 9629011^2 .

It is a cyclic number.

It is not a de Polignac number, because 103323101003021 - 2²² = 103323096808717 is a prime.

It is a super-2 number, since 2×103323101003021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103323101002984 and 103323101003002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103323101003011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162970190540 + ... + 162970191173.

It is an arithmetic number, because the mean of its divisors is an integer number (25912260346263).

Almost surely, 2^{103323101003021} is an apocalyptic number.

It is an amenable number.

103323101003021 is a deficient number, since it is larger than the sum of its proper divisors (325940382031).

103323101003021 is an equidigital number, since it uses as much as digits as its factorization.

103323101003021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325940382030.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 103323101003021 its reverse (120300101323301), we get a palindrome (223623202326322).

The spelling of 103323101003021 in words is "one hundred three trillion, three hundred twenty-three billion, one hundred one million, three thousand, twenty-one".