1121330223111 has 64 divisors (see below), whose sum is σ = 1770229334016. Its totient is φ = 617839142400.

The previous prime is 1121330223089. The next prime is 1121330223127. The reversal of 1121330223111 is 1113220331211.

It is not a de Polignac number, because 1121330223111 - 2³⁴ = 1104150353927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121330223161) 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 63 ways as a sum of consecutive naturals, for example, 220428010 + ... + 220433096.

It is an arithmetic number, because the mean of its divisors is an integer number (27659833344).

Almost surely, 2^{1121330223111} is an apocalyptic number.

1121330223111 is a deficient number, since it is larger than the sum of its proper divisors (648899110905).

1121330223111 is a wasteful number, since it uses less digits than its factorization.

1121330223111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6292.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1121330223111 its reverse (1113220331211), we get a palindrome (2234550554322).

The spelling of 1121330223111 in words is "one trillion, one hundred twenty-one billion, three hundred thirty million, two hundred twenty-three thousand, one hundred eleven".