1121131203233 has 16 divisors (see below), whose sum is σ = 1144816060416. Its totient is φ = 1097619949440.

The previous prime is 1121131203209. The next prime is 1121131203239. The reversal of 1121131203233 is 3323021311211.

It is a cyclic number.

It is not a de Polignac number, because 1121131203233 - 2¹⁰ = 1121131202209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121131203199 and 1121131203208.

It is not an unprimeable number, because it can be changed into a prime (1121131203239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76192685 + ... + 76207397.

It is an arithmetic number, because the mean of its divisors is an integer number (71551003776).

Almost surely, 2^{1121131203233} is an apocalyptic number.

It is an amenable number.

1121131203233 is a deficient number, since it is larger than the sum of its proper divisors (23684857183).

1121131203233 is a wasteful number, since it uses less digits than its factorization.

1121131203233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20504.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1121131203233 its reverse (3323021311211), we get a palindrome (4444152514444).

The spelling of 1121131203233 in words is "one trillion, one hundred twenty-one billion, one hundred thirty-one million, two hundred three thousand, two hundred thirty-three".