111011011110121 has 8 divisors (see below), whose sum is σ = 118543460140800. Its totient is φ = 103725527621520.

The previous prime is 111011011110113. The next prime is 111011011110191. The reversal of 111011011110121 is 121011110110111.

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

It is a cyclic number.

It is not a de Polignac number, because 111011011110121 - 2³ = 111011011110113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111011011110191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61741384591 + ... + 61741386388.

It is an arithmetic number, because the mean of its divisors is an integer number (14817932517600).

Almost surely, 2^{111011011110121} is an apocalyptic number.

It is an amenable number.

111011011110121 is a deficient number, since it is larger than the sum of its proper divisors (7532449030679).

111011011110121 is a wasteful number, since it uses less digits than its factorization.

111011011110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123482771039.

The product of its (nonzero) digits is 2, while the sum is 13.

Adding to 111011011110121 its reverse (121011110110111), we get a palindrome (232022121220232).

The spelling of 111011011110121 in words is "one hundred eleven trillion, eleven billion, eleven million, one hundred ten thousand, one hundred twenty-one".