1123121313001 has 4 divisors (see below), whose sum is σ = 1123815027600. Its totient is φ = 1122427598404.

The previous prime is 1123121312977. The next prime is 1123121313011. The reversal of 1123121313001 is 1003131213211.

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 a cyclic number.

It is not a de Polignac number, because 1123121313001 - 2¹⁷ = 1123121181929 is a prime.

It is a super-2 number, since 2×1123121313001² (a number of 25 digits) contains 22 as substring.

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 1123121313001.

It is not an unprimeable number, because it can be changed into a prime (1123121313011) 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, 346854871 + ... + 346858108.

It is an arithmetic number, because the mean of its divisors is an integer number (280953756900).

Almost surely, 2^{1123121313001} is an apocalyptic number.

It is an amenable number.

1123121313001 is a deficient number, since it is larger than the sum of its proper divisors (693714599).

1123121313001 is an equidigital number, since it uses as much as digits as its factorization.

1123121313001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693714598.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1123121313001 its reverse (1003131213211), we get a palindrome (2126252526212).

The spelling of 1123121313001 in words is "one trillion, one hundred twenty-three billion, one hundred twenty-one million, three hundred thirteen thousand, one".