103332023021 has 4 divisors (see below), whose sum is σ = 103760786844. Its totient is φ = 102903259200.

The previous prime is 103332023017. The next prime is 103332023141. The reversal of 103332023021 is 120320233301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 120320233301 = 61 ⋅1972462841.

It can be written as a sum of positive squares in 2 ways, for example, as 40688941225 + 62643081796 = 201715^2 + 250286^2 .

It is a cyclic number.

It is not a de Polignac number, because 103332023021 - 2² = 103332023017 is a prime.

It is a super-2 number, since 2×103332023021² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103332022984 and 103332023002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103332022021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214381550 + ... + 214382031.

It is an arithmetic number, because the mean of its divisors is an integer number (25940196711).

Almost surely, 2^103332023021 is an apocalyptic number.

It is an amenable number.

103332023021 is a deficient number, since it is larger than the sum of its proper divisors (428763823).

103332023021 is an equidigital number, since it uses as much as digits as its factorization.

103332023021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428763822.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 103332023021 its reverse (120320233301), we get a palindrome (223652256322).

The spelling of 103332023021 in words is "one hundred three billion, three hundred thirty-two million, twenty-three thousand, twenty-one".