1123300121131 has 4 divisors (see below), whose sum is σ = 1123302242200. Its totient is φ = 1123298000064.

The previous prime is 1123300121129. The next prime is 1123300121263. The reversal of 1123300121131 is 1311210033211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1123300121131 - 2¹ = 1123300121129 is a prime.

It is a super-2 number, since 2×1123300121131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1123300121099 and 1123300121108.

It is not an unprimeable number, because it can be changed into a prime (1123300121101) 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, 473500 + ... + 1571878.

It is an arithmetic number, because the mean of its divisors is an integer number (280825560550).

Almost surely, 2^{1123300121131} is an apocalyptic number.

1123300121131 is a deficient number, since it is larger than the sum of its proper divisors (2121069).

1123300121131 is a wasteful number, since it uses less digits than its factorization.

1123300121131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121068.

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

Adding to 1123300121131 its reverse (1311210033211), we get a palindrome (2434510154342).

The spelling of 1123300121131 in words is "one trillion, one hundred twenty-three billion, three hundred million, one hundred twenty-one thousand, one hundred thirty-one".