1123021301133 has 4 divisors (see below), whose sum is σ = 1497361734848. Its totient is φ = 748680867420.

The previous prime is 1123021301099. The next prime is 1123021301159. The reversal of 1123021301133 is 3311031203211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1123021301133 - 2³⁷ = 985582347661 is a prime.

It is a super-2 number, since 2×1123021301133² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123021301173) 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, 187170216853 + ... + 187170216858.

It is an arithmetic number, because the mean of its divisors is an integer number (374340433712).

Almost surely, 2^{1123021301133} is an apocalyptic number.

It is an amenable number.

1123021301133 is a deficient number, since it is larger than the sum of its proper divisors (374340433715).

1123021301133 is an equidigital number, since it uses as much as digits as its factorization.

1123021301133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374340433714.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1123021301133 its reverse (3311031203211), we get a palindrome (4434052504344).

The spelling of 1123021301133 in words is "one trillion, one hundred twenty-three billion, twenty-one million, three hundred one thousand, one hundred thirty-three".