1121331222331 has 4 divisors (see below), whose sum is σ = 1122442552600. Its totient is φ = 1120219892064.

The previous prime is 1121331222301. The next prime is 1121331222343. The reversal of 1121331222331 is 1332221331211.

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 1121331222331 - 2¹⁹ = 1121330698043 is a prime.

It is a super-2 number, since 2×1121331222331² (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 = 1121331222296 and 1121331222305.

It is not an unprimeable number, because it can be changed into a prime (1121331222301) 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, 555663621 + ... + 555665638.

It is an arithmetic number, because the mean of its divisors is an integer number (280610638150).

Almost surely, 2^{1121331222331} is an apocalyptic number.

1121331222331 is a deficient number, since it is larger than the sum of its proper divisors (1111330269).

1121331222331 is a wasteful number, since it uses less digits than its factorization.

1121331222331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111330268.

The product of its digits is 1296, while the sum is 25.

Adding to 1121331222331 its reverse (1332221331211), we get a palindrome (2453552553542).

The spelling of 1121331222331 in words is "one trillion, one hundred twenty-one billion, three hundred thirty-one million, two hundred twenty-two thousand, three hundred thirty-one".