1121321023131 has 8 divisors (see below), whose sum is σ = 1495124800000. Its totient is φ = 747532297512.

The previous prime is 1121321023099. The next prime is 1121321023139. The reversal of 1121321023131 is 1313201231211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1121321023131 - 2⁵ = 1121321023099 is a prime.

It is a super-2 number, since 2×1121321023131² (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 = 1121321023098 and 1121321023107.

It is not an unprimeable number, because it can be changed into a prime (1121321023139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3587815 + ... + 3887808.

It is an arithmetic number, because the mean of its divisors is an integer number (186890600000).

Almost surely, 2^{1121321023131} is an apocalyptic number.

1121321023131 is a deficient number, since it is larger than the sum of its proper divisors (373803776869).

1121321023131 is an equidigital number, since it uses as much as digits as its factorization.

1121321023131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7525625.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1121321023131 its reverse (1313201231211), we get a palindrome (2434522254342).

The spelling of 1121321023131 in words is "one trillion, one hundred twenty-one billion, three hundred twenty-one million, twenty-three thousand, one hundred thirty-one".