103312210021 has 8 divisors (see below), whose sum is σ = 103383995904. Its totient is φ = 103240454640.

The previous prime is 103312210009. The next prime is 103312210033. The reversal of 103312210021 is 120012213301.

It is an interprime number because it is at equal distance from previous prime (103312210009) and next prime (103312210033).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103312210021 - 2⁵ = 103312209989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103312209977 and 103312210004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103312240021) 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 7 ways as a sum of consecutive naturals, for example, 13620396 + ... + 13627978.

It is an arithmetic number, because the mean of its divisors is an integer number (12922999488).

Almost surely, 2^103312210021 is an apocalyptic number.

It is an amenable number.

103312210021 is a deficient number, since it is larger than the sum of its proper divisors (71785883).

103312210021 is an equidigital number, since it uses as much as digits as its factorization.

103312210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15251.

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

Adding to 103312210021 its reverse (120012213301), we get a palindrome (223324423322).

The spelling of 103312210021 in words is "one hundred three billion, three hundred twelve million, two hundred ten thousand, twenty-one".