103221210013 has 2 divisors, whose sum is σ = 103221210014. Its totient is φ = 103221210012.

The previous prime is 103221209983. The next prime is 103221210023. The reversal of 103221210013 is 310012122301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71921585124 + 31299624889 = 268182^2 + 176917^2 .

It is a cyclic number.

It is not a de Polignac number, because 103221210013 - 2¹³ = 103221201821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103221210023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51610605006 + 51610605007.

It is an arithmetic number, because the mean of its divisors is an integer number (51610605007).

Almost surely, 2^103221210013 is an apocalyptic number.

It is an amenable number.

103221210013 is a deficient number, since it is larger than the sum of its proper divisors (1).

103221210013 is an equidigital number, since it uses as much as digits as its factorization.

103221210013 is an evil number, because the sum of its binary digits is even.

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

Adding to 103221210013 its reverse (310012122301), we get a palindrome (413233332314).

The spelling of 103221210013 in words is "one hundred three billion, two hundred twenty-one million, two hundred ten thousand, thirteen".