1121333220231 has 8 divisors (see below), whose sum is σ = 1708698240384. Its totient is φ = 640761840120.

The previous prime is 1121333220221. The next prime is 1121333220257. The reversal of 1121333220231 is 1320223331211.

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

It is not a de Polignac number, because 1121333220231 - 2⁵ = 1121333220199 is a prime.

It is a super-2 number, since 2×1121333220231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121333220221) 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 7 ways as a sum of consecutive naturals, for example, 26698409985 + ... + 26698410026.

It is an arithmetic number, because the mean of its divisors is an integer number (213587280048).

Almost surely, 2^{1121333220231} is an apocalyptic number.

1121333220231 is a deficient number, since it is larger than the sum of its proper divisors (587365020153).

1121333220231 is an equidigital number, since it uses as much as digits as its factorization.

1121333220231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53396820021.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1121333220231 its reverse (1320223331211), we get a palindrome (2441556551442).

The spelling of 1121333220231 in words is "one trillion, one hundred twenty-one billion, three hundred thirty-three million, two hundred twenty thousand, two hundred thirty-one".