1121011233203 has 2 divisors, whose sum is σ = 1121011233204. Its totient is φ = 1121011233202.

The previous prime is 1121011233193. The next prime is 1121011233253. The reversal of 1121011233203 is 3023321101211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121011233203 - 2⁴⁰ = 21499605427 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121011233253) 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 as a sum of consecutive naturals, namely, 560505616601 + 560505616602.

It is an arithmetic number, because the mean of its divisors is an integer number (560505616602).

Almost surely, 2^{1121011233203} is an apocalyptic number.

1121011233203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121011233203 is an equidigital number, since it uses as much as digits as its factorization.

1121011233203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1121011233203 its reverse (3023321101211), we get a palindrome (4144332334414).

The spelling of 1121011233203 in words is "one trillion, one hundred twenty-one billion, eleven million, two hundred thirty-three thousand, two hundred three".