111041135121 has 32 divisors (see below), whose sum is σ = 176066224128. Its totient is φ = 60930267840.

The previous prime is 111041135077. The next prime is 111041135197. The reversal of 111041135121 is 121531140111.

It is not a de Polignac number, because 111041135121 - 2¹⁴ = 111041118737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (111041135321) 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, 1009045 + ... + 1113666.

It is an arithmetic number, because the mean of its divisors is an integer number (5502069504).

Almost surely, 2^111041135121 is an apocalyptic number.

It is an amenable number.

111041135121 is a deficient number, since it is larger than the sum of its proper divisors (65025089007).

111041135121 is a wasteful number, since it uses less digits than its factorization.

111041135121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122821.

The product of its (nonzero) digits is 120, while the sum is 21.

Adding to 111041135121 its reverse (121531140111), we get a palindrome (232572275232).

The spelling of 111041135121 in words is "one hundred eleven billion, forty-one million, one hundred thirty-five thousand, one hundred twenty-one".