113011121 has 8 divisors (see below), whose sum is σ = 124861824. Its totient is φ = 101738560.

The previous prime is 113011117. The next prime is 113011123. The reversal of 113011121 is 121110311.

It is a happy number.

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 113011121 - 2² = 113011117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113011123) 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, 144125 + ... + 144906.

It is an arithmetic number, because the mean of its divisors is an integer number (15607728).

Almost surely, 2^113011121 is an apocalyptic number.

It is an amenable number.

113011121 is a deficient number, since it is larger than the sum of its proper divisors (11850703).

113011121 is a wasteful number, since it uses less digits than its factorization.

113011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289071.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 113011121 is about 10630.6688877041. The cubic root of 113011121 is about 483.4746722070.

Adding to 113011121 its reverse (121110311), we get a palindrome (234121432).

The spelling of 113011121 in words is "one hundred thirteen million, eleven thousand, one hundred twenty-one".