1121330203111 has 16 divisors (see below), whose sum is σ = 1188906076800. Its totient is φ = 1053934645248.

The previous prime is 1121330203073. The next prime is 1121330203121. The reversal of 1121330203111 is 1113020331211.

It is a cyclic number.

It is not a de Polignac number, because 1121330203111 - 2¹⁵ = 1121330170343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121330203121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50028075 + ... + 50050483.

It is an arithmetic number, because the mean of its divisors is an integer number (74306629800).

Almost surely, 2^{1121330203111} is an apocalyptic number.

1121330203111 is a deficient number, since it is larger than the sum of its proper divisors (67575873689).

1121330203111 is a wasteful number, since it uses less digits than its factorization.

1121330203111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26298.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1121330203111 its reverse (1113020331211), we get a palindrome (2234350534322).

The spelling of 1121330203111 in words is "one trillion, one hundred twenty-one billion, three hundred thirty million, two hundred three thousand, one hundred eleven".