1103323220213 has 2 divisors, whose sum is σ = 1103323220214. Its totient is φ = 1103323220212.

The previous prime is 1103323220143. The next prime is 1103323220273. The reversal of 1103323220213 is 3120223233011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 798202870084 + 305120350129 = 893422^2 + 552377^2 .

It is an emirp because it is prime and its reverse (3120223233011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1103323220213 - 2¹² = 1103323216117 is a prime.

It is a super-2 number, since 2×1103323220213² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103323220273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551661610106 + 551661610107.

It is an arithmetic number, because the mean of its divisors is an integer number (551661610107).

Almost surely, 2^{1103323220213} is an apocalyptic number.

It is an amenable number.

1103323220213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103323220213 is an equidigital number, since it uses as much as digits as its factorization.

1103323220213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1103323220213 its reverse (3120223233011), we get a palindrome (4223546453224).

The spelling of 1103323220213 in words is "one trillion, one hundred three billion, three hundred twenty-three million, two hundred twenty thousand, two hundred thirteen".