11121213110233 has 4 divisors (see below), whose sum is σ = 11121334648228. Its totient is φ = 11121091572240.

The previous prime is 11121213110207. The next prime is 11121213110237. The reversal of 11121213110233 is 33201131212111.

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 9599140669504 + 1522072440729 = 3098248^2 + 1233723^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11121213110233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11121213110237) 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, 60631638 + ... + 60814783.

It is an arithmetic number, because the mean of its divisors is an integer number (2780333662057).

Almost surely, 2^{11121213110233} is an apocalyptic number.

It is an amenable number.

11121213110233 is a deficient number, since it is larger than the sum of its proper divisors (121537995).

11121213110233 is an equidigital number, since it uses as much as digits as its factorization.

11121213110233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121537994.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 11121213110233 its reverse (33201131212111), we get a palindrome (44322344322344).

The spelling of 11121213110233 in words is "eleven trillion, one hundred twenty-one billion, two hundred thirteen million, one hundred ten thousand, two hundred thirty-three".