103112333021 has 4 divisors (see below), whose sum is σ = 106438537344. Its totient is φ = 99786128700.

The previous prime is 103112333017. The next prime is 103112333033. The reversal of 103112333021 is 120333211301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 120333211301 = 2749 ⋅43773449.

It is a cyclic number.

It is not a de Polignac number, because 103112333021 - 2² = 103112333017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103112332984 and 103112333002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103112333011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1663102115 + ... + 1663102176.

It is an arithmetic number, because the mean of its divisors is an integer number (26609634336).

Almost surely, 2^103112333021 is an apocalyptic number.

It is an amenable number.

103112333021 is a deficient number, since it is larger than the sum of its proper divisors (3326204323).

103112333021 is an equidigital number, since it uses as much as digits as its factorization.

103112333021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3326204322.

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

Adding to 103112333021 its reverse (120333211301), we get a palindrome (223445544322).

The spelling of 103112333021 in words is "one hundred three billion, one hundred twelve million, three hundred thirty-three thousand, twenty-one".