1121311211133 has 32 divisors (see below), whose sum is σ = 1541595369600. Its totient is φ = 724450003200.

The previous prime is 1121311211131. The next prime is 1121311211149. The reversal of 1121311211133 is 3311121131211.

It is not a de Polignac number, because 1121311211133 - 2¹ = 1121311211131 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121311211131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30872818 + ... + 30909116.

It is an arithmetic number, because the mean of its divisors is an integer number (48174855300).

Almost surely, 2^{1121311211133} is an apocalyptic number.

It is an amenable number.

1121311211133 is a deficient number, since it is larger than the sum of its proper divisors (420284158467).

1121311211133 is a wasteful number, since it uses less digits than its factorization.

1121311211133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37437.

The product of its digits is 108, while the sum is 21.

Adding to 1121311211133 its reverse (3311121131211), we get a palindrome (4432432342344).

The spelling of 1121311211133 in words is "one trillion, one hundred twenty-one billion, three hundred eleven million, two hundred eleven thousand, one hundred thirty-three".