11100121033 has 2 divisors, whose sum is σ = 11100121034. Its totient is φ = 11100121032.

The previous prime is 11100121031. The next prime is 11100121037. The reversal of 11100121033 is 33012100111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10426043664 + 674077369 = 102108^2 + 25963^2 .

It is a cyclic number.

It is not a de Polignac number, because 11100121033 - 2¹ = 11100121031 is a prime.

Together with 11100121031, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11100121031) 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, 5550060516 + 5550060517.

It is an arithmetic number, because the mean of its divisors is an integer number (5550060517).

Almost surely, 2^11100121033 is an apocalyptic number.

It is an amenable number.

11100121033 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100121033 is an equidigital number, since it uses as much as digits as its factorization.

11100121033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 11100121033 its reverse (33012100111), we get a palindrome (44112221144).

The spelling of 11100121033 in words is "eleven billion, one hundred million, one hundred twenty-one thousand, thirty-three".