11212111011303 has 8 divisors (see below), whose sum is σ = 16610534831600. Its totient is φ = 7474740674184.

The previous prime is 11212111011203. The next prime is 11212111011379. The reversal of 11212111011303 is 30311011121211.

It is not a de Polignac number, because 11212111011303 - 2¹³ = 11212111003111 is a prime.

It is a super-2 number, since 2×11212111011303² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212111011383) 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, 207631685368 + ... + 207631685421.

It is an arithmetic number, because the mean of its divisors is an integer number (2076316853950).

Almost surely, 2^{11212111011303} is an apocalyptic number.

11212111011303 is a deficient number, since it is larger than the sum of its proper divisors (5398423820297).

11212111011303 is an equidigital number, since it uses as much as digits as its factorization.

11212111011303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415263370798 (or 415263370792 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 11212111011303 its reverse (30311011121211), we get a palindrome (41523122132514).

The spelling of 11212111011303 in words is "eleven trillion, two hundred twelve billion, one hundred eleven million, eleven thousand, three hundred three".