11121012211303 has 4 divisors (see below), whose sum is σ = 11189239280248. Its totient is φ = 11052785142360.

The previous prime is 11121012211291. The next prime is 11121012211381. The reversal of 11121012211303 is 30311221012111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11121012211303 - 2⁴¹ = 8921988955751 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 (11121012211003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34113534228 + ... + 34113534553.

It is an arithmetic number, because the mean of its divisors is an integer number (2797309820062).

Almost surely, 2^{11121012211303} is an apocalyptic number.

11121012211303 is a deficient number, since it is larger than the sum of its proper divisors (68227068945).

11121012211303 is an equidigital number, since it uses as much as digits as its factorization.

11121012211303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68227068944.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 11121012211303 its reverse (30311221012111), we get a palindrome (41432233223414).

The spelling of 11121012211303 in words is "eleven trillion, one hundred twenty-one billion, twelve million, two hundred eleven thousand, three hundred three".