11213333211 has 8 divisors (see below), whose sum is σ = 14954555200. Its totient is φ = 7473833352.

The previous prime is 11213333207. The next prime is 11213333251. The reversal of 11213333211 is 11233331211.

It is a happy number.

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

It is not a de Polignac number, because 11213333211 - 2² = 11213333207 is a prime.

It is a super-4 number, since 4×11213333211⁴ (a number of 41 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11213333251) 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, 415261 + ... + 441438.

It is an arithmetic number, because the mean of its divisors is an integer number (1869319400).

Almost surely, 2^11213333211 is an apocalyptic number.

11213333211 is a deficient number, since it is larger than the sum of its proper divisors (3741221989).

11213333211 is an equidigital number, since it uses as much as digits as its factorization.

11213333211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861065.

The product of its digits is 324, while the sum is 21.

Adding to 11213333211 its reverse (11233331211), we get a palindrome (22446664422).

The spelling of 11213333211 in words is "eleven billion, two hundred thirteen million, three hundred thirty-three thousand, two hundred eleven".