11121003111 has 32 divisors (see below), whose sum is σ = 15088550400. Its totient is φ = 7285354880.

The previous prime is 11121003109. The next prime is 11121003167. The reversal of 11121003111 is 11130012111.

It is a cyclic number.

It is not a de Polignac number, because 11121003111 - 2¹ = 11121003109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121003211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24123421 + ... + 24123881.

It is an arithmetic number, because the mean of its divisors is an integer number (471517200).

Almost surely, 2^11121003111 is an apocalyptic number.

11121003111 is a deficient number, since it is larger than the sum of its proper divisors (3967547289).

11121003111 is a wasteful number, since it uses less digits than its factorization.

11121003111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 11121003111 its reverse (11130012111), we get a palindrome (22251015222).

The spelling of 11121003111 in words is "eleven billion, one hundred twenty-one million, three thousand, one hundred eleven".