11222121120233 has 4 divisors (see below), whose sum is σ = 11222146077060. Its totient is φ = 11222096163408.

The previous prime is 11222121120169. The next prime is 11222121120289. The reversal of 11222121120233 is 33202112122211.

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 84930279184 + 11137190841049 = 291428^2 + 3337243^2 .

It is a cyclic number.

It is not a de Polignac number, because 11222121120233 - 2⁶ = 11222121120169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11222121120199 and 11222121120208.

It is not an unprimeable number, because it can be changed into a prime (11222121120533) 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, 11791310 + ... + 12707447.

It is an arithmetic number, because the mean of its divisors is an integer number (2805536519265).

Almost surely, 2^{11222121120233} is an apocalyptic number.

It is an amenable number.

11222121120233 is a deficient number, since it is larger than the sum of its proper divisors (24956827).

11222121120233 is an equidigital number, since it uses as much as digits as its factorization.

11222121120233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24956826.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 11222121120233 its reverse (33202112122211), we get a palindrome (44424233242444).

The spelling of 11222121120233 in words is "eleven trillion, two hundred twenty-two billion, one hundred twenty-one million, one hundred twenty thousand, two hundred thirty-three".