1123021020301 has 4 divisors (see below), whose sum is σ = 1161745883100. Its totient is φ = 1084296157504.

The previous prime is 1123021020281. The next prime is 1123021020307. The reversal of 1123021020301 is 1030201203211.

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 288958927401 + 834062092900 = 537549^2 + 913270^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123021020301 - 2⁵ = 1123021020269 is a prime.

It is a super-2 number, since 2×1123021020301² (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 (1123021020307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19362431356 + ... + 19362431413.

It is an arithmetic number, because the mean of its divisors is an integer number (290436470775).

Almost surely, 2^{1123021020301} is an apocalyptic number.

It is an amenable number.

1123021020301 is a deficient number, since it is larger than the sum of its proper divisors (38724862799).

1123021020301 is an equidigital number, since it uses as much as digits as its factorization.

1123021020301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38724862798.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1123021020301 its reverse (1030201203211), we get a palindrome (2153222223512).

The spelling of 1123021020301 in words is "one trillion, one hundred twenty-three billion, twenty-one million, twenty thousand, three hundred one".