11233211311 has 8 divisors (see below), whose sum is σ = 13013818784. Its totient is φ = 9496569600.

The previous prime is 11233211309. The next prime is 11233211347. The reversal of 11233211311 is 11311233211.

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

It is not a de Polignac number, because 11233211311 - 2¹ = 11233211309 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 (11233211411) 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, 10990890 + ... + 10991911.

It is an arithmetic number, because the mean of its divisors is an integer number (1626727348).

Almost surely, 2^11233211311 is an apocalyptic number.

11233211311 is a deficient number, since it is larger than the sum of its proper divisors (1780607473).

11233211311 is an equidigital number, since it uses as much as digits as its factorization.

11233211311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21982881.

The product of its digits is 108, while the sum is 19.

Adding to 11233211311 its reverse (11311233211), we get a palindrome (22544444522).

The spelling of 11233211311 in words is "eleven billion, two hundred thirty-three million, two hundred eleven thousand, three hundred eleven".