1133121112211 has 12 divisors (see below), whose sum is σ = 1245523277376. Its totient is φ = 1030088170320.

The previous prime is 1133121112169. The next prime is 1133121112217. The reversal of 1133121112211 is 1122111213311.

It is a de Polignac number, because none of the positive numbers 2^k-1133121112211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1133121112217) 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, 9103085 + ... + 9226721.

It is an arithmetic number, because the mean of its divisors is an integer number (103793606448).

Almost surely, 2^{1133121112211} is an apocalyptic number.

1133121112211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1133121112211 is a deficient number, since it is larger than the sum of its proper divisors (112402165165).

1133121112211 is a wasteful number, since it uses less digits than its factorization.

1133121112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199402 (or 199391 counting only the distinct ones).

The product of its digits is 72, while the sum is 20.

Adding to 1133121112211 its reverse (1122111213311), we get a palindrome (2255232325522).

The spelling of 1133121112211 in words is "one trillion, one hundred thirty-three billion, one hundred twenty-one million, one hundred twelve thousand, two hundred eleven".