11121111033 has 8 divisors (see below), whose sum is σ = 14829268896. Its totient is φ = 7413513600.

The previous prime is 11121111011. The next prime is 11121111037. The reversal of 11121111033 is 33011112111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11121111033 - 2⁹ = 11121110521 is a prime.

It is a super-2 number, since 2×11121111033² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11121111037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91383 + ... + 174908.

It is an arithmetic number, because the mean of its divisors is an integer number (1853658612).

Almost surely, 2^11121111033 is an apocalyptic number.

It is an amenable number.

11121111033 is a deficient number, since it is larger than the sum of its proper divisors (3708157863).

11121111033 is a wasteful number, since it uses less digits than its factorization.

11121111033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280215.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 11121111033 its reverse (33011112111), we get a palindrome (44132223144).

The spelling of 11121111033 in words is "eleven billion, one hundred twenty-one million, one hundred eleven thousand, thirty-three".