1121001123331 has 4 divisors (see below), whose sum is σ = 1121293587672. Its totient is φ = 1120708658992.

The previous prime is 1121001123317. The next prime is 1121001123377. The reversal of 1121001123331 is 1333211001211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1121001123331 - 2¹⁵ = 1121001090563 is a prime.

It is a super-2 number, since 2×1121001123331² (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 = 1121001123299 and 1121001123308.

It is not an unprimeable number, because it can be changed into a prime (1121001123131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146226421 + ... + 146234086.

It is an arithmetic number, because the mean of its divisors is an integer number (280323396918).

Almost surely, 2^{1121001123331} is an apocalyptic number.

1121001123331 is a deficient number, since it is larger than the sum of its proper divisors (292464341).

1121001123331 is an equidigital number, since it uses as much as digits as its factorization.

1121001123331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292464340.

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

Adding to 1121001123331 its reverse (1333211001211), we get a palindrome (2454212124542).

The spelling of 1121001123331 in words is "one trillion, one hundred twenty-one billion, one million, one hundred twenty-three thousand, three hundred thirty-one".