11212030333331 has 12 divisors (see below), whose sum is σ = 11918326404600. Its totient is φ = 10545506710848.

The previous prime is 11212030333291. The next prime is 11212030333337. The reversal of 11212030333331 is 13333303021211.

It is a de Polignac number, because none of the positive numbers 2^k-11212030333331 is a prime.

It is a super-2 number, since 2×11212030333331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11212030333331.

It is not an unprimeable number, because it can be changed into a prime (11212030333337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111670166 + ... + 111770523.

It is an arithmetic number, because the mean of its divisors is an integer number (993193867050).

Almost surely, 2^{11212030333331} is an apocalyptic number.

11212030333331 is a deficient number, since it is larger than the sum of its proper divisors (706296071269).

11212030333331 is a wasteful number, since it uses less digits than its factorization.

11212030333331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223440866 (or 223440847 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 11212030333331 its reverse (13333303021211), we get a palindrome (24545333354542).

The spelling of 11212030333331 in words is "eleven trillion, two hundred twelve billion, thirty million, three hundred thirty-three thousand, three hundred thirty-one".