1111220030213 has 4 divisors (see below), whose sum is σ = 1123705648620. Its totient is φ = 1098734411808.

The previous prime is 1111220030191. The next prime is 1111220030311. The reversal of 1111220030213 is 3120300221111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 168676132804 + 942543897409 = 410702^2 + 970847^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111220030213 - 2²⁶ = 1111152921349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111220030191 and 1111220030200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111220035213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6242809070 + ... + 6242809247.

It is an arithmetic number, because the mean of its divisors is an integer number (280926412155).

Almost surely, 2^{1111220030213} is an apocalyptic number.

It is an amenable number.

1111220030213 is a deficient number, since it is larger than the sum of its proper divisors (12485618407).

1111220030213 is an equidigital number, since it uses as much as digits as its factorization.

1111220030213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12485618406.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1111220030213 its reverse (3120300221111), we get a palindrome (4231520251324).

The spelling of 1111220030213 in words is "one trillion, one hundred eleven billion, two hundred twenty million, thirty thousand, two hundred thirteen".