11001020213 has 4 divisors (see below), whose sum is σ = 11017127808. Its totient is φ = 10984912620.

The previous prime is 11001020203. The next prime is 11001020243. The reversal of 11001020213 is 31202010011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11001020213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11001020194 and 11001020203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001020203) 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, 8052773 + ... + 8054138.

It is an arithmetic number, because the mean of its divisors is an integer number (2754281952).

Almost surely, 2^11001020213 is an apocalyptic number.

It is an amenable number.

11001020213 is a deficient number, since it is larger than the sum of its proper divisors (16107595).

11001020213 is an equidigital number, since it uses as much as digits as its factorization.

11001020213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16107594.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 11001020213 its reverse (31202010011), we get a palindrome (42203030224).

The spelling of 11001020213 in words is "eleven billion, one million, twenty thousand, two hundred thirteen".