103210333021 has 2 divisors, whose sum is σ = 103210333022. Its totient is φ = 103210333020.

The previous prime is 103210333013. The next prime is 103210333069. The reversal of 103210333021 is 120333012301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55513956996 + 47696376025 = 235614^2 + 218395^2 .

It is an emirp because it is prime and its reverse (120333012301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103210333021 - 2³ = 103210333013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103210333021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103210333081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51605166510 + 51605166511.

It is an arithmetic number, because the mean of its divisors is an integer number (51605166511).

Almost surely, 2^103210333021 is an apocalyptic number.

It is an amenable number.

103210333021 is a deficient number, since it is larger than the sum of its proper divisors (1).

103210333021 is an equidigital number, since it uses as much as digits as its factorization.

103210333021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 103210333021 its reverse (120333012301), we get a palindrome (223543345322).

The spelling of 103210333021 in words is "one hundred three billion, two hundred ten million, three hundred thirty-three thousand, twenty-one".