1121321242233 has 16 divisors (see below), whose sum is σ = 1661331543040. Its totient is φ = 747495795312.

The previous prime is 1121321242211. The next prime is 1121321242271. The reversal of 1121321242233 is 3322421231211.

1121321242233 is a `hidden beast` number, since 1 + 1 + 21 + 3 + 212 + 422 + 3 + 3 = 666.

It is not a de Polignac number, because 1121321242233 - 2¹⁷ = 1121321111161 is a prime.

It is a super-2 number, since 2×1121321242233² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121321242197 and 1121321242206.

It is not an unprimeable number, because it can be changed into a prime (1121321242333) 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, 1036441 + ... + 1821222.

It is an arithmetic number, because the mean of its divisors is an integer number (103833221440).

Almost surely, 2^{1121321242233} is an apocalyptic number.

It is an amenable number.

1121321242233 is a deficient number, since it is larger than the sum of its proper divisors (540010300807).

1121321242233 is a wasteful number, since it uses less digits than its factorization.

1121321242233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2872205 (or 2872199 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 1121321242233 its reverse (3322421231211), we get a palindrome (4443742473444).

The spelling of 1121321242233 in words is "one trillion, one hundred twenty-one billion, three hundred twenty-one million, two hundred forty-two thousand, two hundred thirty-three".