1120121221133 has 4 divisors (see below), whose sum is σ = 1120136225340. Its totient is φ = 1120106216928.

The previous prime is 1120121221061. The next prime is 1120121221151. The reversal of 1120121221133 is 3311221210211.

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 205751145604 + 914370075529 = 453598^2 + 956227^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120121221133 - 2¹⁸ = 1120120958989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120121221733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7389560 + ... + 7539617.

It is an arithmetic number, because the mean of its divisors is an integer number (280034056335).

Almost surely, 2^{1120121221133} is an apocalyptic number.

It is an amenable number.

1120121221133 is a deficient number, since it is larger than the sum of its proper divisors (15004207).

1120121221133 is an equidigital number, since it uses as much as digits as its factorization.

1120121221133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15004206.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1120121221133 its reverse (3311221210211), we get a palindrome (4431342431344).

The spelling of 1120121221133 in words is "one trillion, one hundred twenty billion, one hundred twenty-one million, two hundred twenty-one thousand, one hundred thirty-three".