11013121213 has 8 divisors (see below), whose sum is σ = 11052900320. Its totient is φ = 10973368080.

The previous prime is 11013121201. The next prime is 11013121241. The reversal of 11013121213 is 31212131011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11013121213 - 2¹³ = 11013113021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11013121013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1303918 + ... + 1312336.

It is an arithmetic number, because the mean of its divisors is an integer number (1381612540).

Almost surely, 2^11013121213 is an apocalyptic number.

It is an amenable number.

11013121213 is a deficient number, since it is larger than the sum of its proper divisors (39779107).

11013121213 is an equidigital number, since it uses as much as digits as its factorization.

11013121213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12987.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11013121213 its reverse (31212131011), we get a palindrome (42225252224).

The spelling of 11013121213 in words is "eleven billion, thirteen million, one hundred twenty-one thousand, two hundred thirteen".