1111020121133 has 12 divisors (see below), whose sum is σ = 1203131655360. Its totient is φ = 1025493642576.

The previous prime is 1111020121121. The next prime is 1111020121171. The reversal of 1111020121133 is 3311210201111.

It is not a de Polignac number, because 1111020121133 - 2¹⁸ = 1111019858989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111020121733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2657810 + ... + 3047292.

It is an arithmetic number, because the mean of its divisors is an integer number (100260971280).

Almost surely, 2^{1111020121133} is an apocalyptic number.

1111020121133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1111020121133 is a deficient number, since it is larger than the sum of its proper divisors (92111534227).

1111020121133 is a wasteful number, since it uses less digits than its factorization.

1111020121133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406388 (or 406375 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1111020121133 its reverse (3311210201111), we get a palindrome (4422230322244).

The spelling of 1111020121133 in words is "one trillion, one hundred eleven billion, twenty million, one hundred twenty-one thousand, one hundred thirty-three".