1113121011133 has 4 divisors (see below), whose sum is σ = 1113176628828. Its totient is φ = 1113065393440.

The previous prime is 1113121011131. The next prime is 1113121011179. The reversal of 1113121011133 is 3311101213111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 507032291844 + 606088719289 = 712062^2 + 778517^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113121011133 - 2¹ = 1113121011131 is a prime.

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 1113121011133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113121011131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27778816 + ... + 27818857.

It is an arithmetic number, because the mean of its divisors is an integer number (278294157207).

Almost surely, 2^{1113121011133} is an apocalyptic number.

It is an amenable number.

1113121011133 is a deficient number, since it is larger than the sum of its proper divisors (55617695).

1113121011133 is an equidigital number, since it uses as much as digits as its factorization.

1113121011133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55617694.

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 1113121011133 its reverse (3311101213111), we get a palindrome (4424222224244).

The spelling of 1113121011133 in words is "one trillion, one hundred thirteen billion, one hundred twenty-one million, eleven thousand, one hundred thirty-three".