103021344121 has 2 divisors, whose sum is σ = 103021344122. Its totient is φ = 103021344120.

The previous prime is 103021344103. The next prime is 103021344149. The reversal of 103021344121 is 121443120301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101203515625 + 1817828496 = 318125^2 + 42636^2 .

It is an emirp because it is prime and its reverse (121443120301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103021344121 - 2⁹ = 103021343609 is a prime.

It is a super-2 number, since 2×103021344121² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103021344092 and 103021344101.

It is not a weakly prime, because it can be changed into another prime (103021344221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51510672060 + 51510672061.

It is an arithmetic number, because the mean of its divisors is an integer number (51510672061).

Almost surely, 2^103021344121 is an apocalyptic number.

It is an amenable number.

103021344121 is a deficient number, since it is larger than the sum of its proper divisors (1).

103021344121 is an equidigital number, since it uses as much as digits as its factorization.

103021344121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 103021344121 its reverse (121443120301), we get a palindrome (224464464422).

The spelling of 103021344121 in words is "one hundred three billion, twenty-one million, three hundred forty-four thousand, one hundred twenty-one".